Our expertise in flexible packaging is your greatest asset for turning your ideas into tangible results. With our solutions, you can streamline every step from design to production and benefit from personalized support to create packaging that perfectly reflects your brand identity. Why Choose Sealester? - Flexible Pouch Specialist : Whether it's Doypacks, spouted pouches, or custom-cut designs, we create tailor-made packaging solutions to meet your specific needs. - Cap Integration Expertise : We specialize in adding caps to all types of materials, including recyclable films like Mono PE, with caps of various materials and diameters ranging from 8.5 mm to 35 mm, tailored to a wide range of project requirements. - Custom Adaptation : We design pouches with personalized shapes to meet your needs, while considering the constraints of your production and filling processes. - Cutting-Edge Technology : Our machines are configured to produce volumes suitable for all types of projects, starting from as little as 5,000 units. Whether you need small batches or larger-scale production, we guarantee optimal quality at every stage. Sealester combines expertise and innovation to design high-performance, unique, and brand-respectful packaging. Let’s work together to bring your packaging projects to life!

A technological brick to induce more flexibility into traditional shaping machines! DigiPlus is module including the digital welding technology developed by Sealester and can be integrated into flexible packaging production machines, in order to provide them with flexibility in the form of welding or cutting of the packaging, without the need specific tools. Indeed, on traditional machines (heating bars, impulse, ultrasonic), each sealing or cutting shape is equivalent to a specific tool. Therefore, to be profitable, a significant number of packaging must be carried out, thus increasing the minimum order quantity (MOQ). Thanks to DigiPlus, the MOQ of pouches with special seals can be reduced. It is then possible to produce a range of packages with a low MOQ (for example 5000) while being profitable.

To make production cost-effective, traditional welding methods (heat bars, impulse, ultrasound) typically require millions of packaging units. But what if you want to think outside the box? The First Step: Prototyping. Before creating specific tooling, it’s crucial to finalize the desired shape. Sealester has THE solution! With its innovative welding process based on digital welding technology, Sealester enables the creation of customized flexible packaging in mini and small series, with no additional tooling costs. How Does It Work? A mobile welding tool follows a trajectory defined by the operator, applying precise pressure to the films being welded. Want to change the shape? Nothing could be simpler: just update the tool’s movement program. This technology is integrated into a standalone machine designed specifically for producing prototypes. It allows designers and users to validate their concepts before launching mass production. What About Settings? Welding parameter adjustments are fully optimized thanks to a digital algorithm. It automatically calculates the ideal parameters for a perfect weld. The result? Reduced setup times, no longer reliant on the operator’s experience, but on precise, instantaneous scientific calculations. What About Eco-Friendly Films? No limits! Eco-friendly films, whether mono-material, recyclable, or compostable, are fully compatible with DigiShape technology. Just like traditional complex polymer films, these new materials can be welded with the same precision and efficiency. Sealester supports the transition to more sustainable packaging without compromising on quality or creativity.

We offer secondary packaging contract service upon request, allowing our clients to receive ready-to-sell products.

API Transfer Technologies is a leading global supplier of stamping transfer products in the beverage sector, particularly for wine, beer, and spirits packaging. From whisky labels and cartons in the UK to fine wine labels in Italy, France, and Spain, our transfer products enhance brand visibility in duty-free stores, wine merchants, retail shops, restaurants, bars, and pubs. At API Transfer Technologies, we offer finishes to meet all requirements, from high-gloss metallics to matts, satins, and ultra-matt effects in a broad range of metallic colours and pigment shades for striking graphic effects. Beyond aesthetics, our transfer products provide a mark of quality that is difficult to replicate, adding an element of authenticity and prestige. Some of these key markets have a history spanning over 200 years, reflecting the timeless appeal and luxury of our metallic gold and silver effects. We collaborate directly with brand owners, design agencies, and packaging producers, leveraging our scale, experience, and reputation to support packaging innovations and supply chains for many leading global brands. Our Products in metallic, holographic and pigmented effects Hot stamping for cartons, labels, bottle collars, caps, and closures Cold transfer for cartons and labels Digital finishing for cartons and labels Our distribution network, with key locations in the UK, Netherlands, Poland, Italy, Spain, Australia and New-Zealand, along with our global distributor partners, is strategically positioned to serve key wine-producing regions worldwide. We also offer custom transfer products tailored to specific shades or application needs – reach out to discuss potential projects.

CO&IN security seals, also known as security seals, are essential to guarantee the protection and integrity of products. Mainly used in the clothing sector, these seals are highly versatile and also suitable for other sectors. We offer a wide range of customizable security seals, designed to meet specific security and branding needs. Made with high quality materials, they can be customized with logos and finishes to add distinctive value to your brand. They can be a solution to avoid false returns in e-commerce or to hang a tag on a bottle, in metal or plastic, adjustable or fixed, with GOTS cotton or biodegradable plastic cord, with an always impeccable and personalized aesthetic. In fact, each seal is a safety device which, once closed, no longer allows reopening, thus guaranteeing originality and traceability of the product to which it is linked. Our security seals are available in multiple shapes and sizes, and can be made with cotton, rayon, or satin cord, offering fully recyclable or biodegradable options. Our advanced printing technology allows the inclusion of details such as QR codes, ensuring a finished product of high safety and quality, with an eye towards sustainability.

SLEEVER® and CARBIOS globally launch world’s first Home Compost biodegradable tamper evident seal: SEELCAP® ONEGO. The SEELCAP® ONEGO innovation is the fruit of a long-term partnership between SLEEVER® and CARBIOS that combines their expertise to produce more environmentally friendly packaging security. The revolutionary nature of this dual innovation lies in the integration of the encapsulated enzyme CARBIOS Active, CARBIOS’ biodegradation solution for PLA, into the biopolymer blend, and in its eco-designed concept developed with Fabrice Peltier. SEELCAP® ONEGO is an original, proprietary tamper-evident concept, consisting of two distinct but inseparable aims: the first to ensure tamper-evidence, and the second to enable easy opening in a single gesture with a gripping flap. Thanks to the inclusion of CARBIOS Active in the material, SEELCAP® ONEGO disintegrates completely in composting conditions, even at room temperature, in less than 6 months (Certified TÜV Austria “OK Compost HOME”). SEELCAP® ONEGO thereby reduces the carbon footprint compared with conventional shrink capsules, and significantly improves the circularity of this type of packaging. This complete solution brings about a radical change in terms of sustainability, while addressing brands' concerns for safety, traceability and mass production. SEELCAP® ONEGO easily integrates existing filling lines and is compatible with the SLEEVER® Group's Combishrink® and Combiskinner® shrink-fitting equipment, with outputs ranging from 60 to 24,000 bottles per hour. A revolutionary solution that combines security, environmental responsibility, and a seamless user experience.

Eco-designed, tamper-evident and first opening guarantee security products. They contain 50% PCR (Post Consumer Recycled) material, whose origin and percentage are certified by Recyclass®, to reinforce the circular economy flows and reduce the carbon footprint of packaging. Brands can thus reassure their consumers, with a guarantee of first opening and authenticity, with easy opening systems and visible or invisible perforations. These eco-designed security products offer security during transport and on shelves, and can replace certain secondary packaging (cartons, bags, blisters), and are compatible with security technologies. A complete range of products is proposed to brands, to offer security and eco-design to all Wines & Spirits formats. Sleever's unique expertise also allows us to offer industrial implementation solutions, with equipment dedicated to these different formats.

Eco-designed, tamper-evident and first opening guarantee security products for all Beauty products. They contain 50% PCR (Post Consumer Recycled) material, whose origin and percentage are certified by Recyclass®, to reinforce the circular economy flows and reduce the carbon footprint of packaging. Brands can thus reassure their consumers, with a guarantee of first opening and authenticity, with easy opening systems and visible or invisible perforations. These eco-designed security products offer security during transport and on shelves, and can replace certain secondary packaging (cartons, bags, blisters), and are compatible with security technologies. A complete range of products is proposed to brands, to offer security and eco-design to all Beauty formats, from make-up pencils to perfumes. Sleever's unique expertise also allows us to offer industrial implementation solutions, with equipment dedicated to these different formats.

The first airless pouch dispenser with a wide selection of volumes and doses

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