What it is A premium, heavy-duty collapsible hydration vessel engineered for demanding transit and rugged outdoor environments. Forging flexible, food-grade silicone with sleek stainless steel accents, this 550ml (18.6 oz) bottle matches the rigid stability of traditional hard-shell flasks while possessing the unique ability to retract flat for effortless space-saving storage. Why you’ll love it Extremes-Ready Thermal Range: Specially formulated to withstand temperatures ranging from a freezing -40°C to a boiling 220°C. Safely fill it with hot morning coffee, herbal tea or ice-cold electrolyte recovery drinks with zero material degradation. Heavy-Duty Hybrid Build: Combines thick, abrasion-resistant silicone with premium, rust-resistant stainless steel trim to deliver extreme durability that shrugs off trail impacts and drops. Rapid-Fill Wide-Mouth Access: Features a spacious wide-neck opening that easily accommodates large ice cubes, citrus slices or tea infusers, while allowing for hassle-free, thorough cleaning after use. Guaranteed Leak-Proof Seal: Outfitted with a precision-molded internal silicone O-ring seal, giving you the absolute confidence to throw a full bottle into your backpack directly next to laptops, tablets or dry clothes. Travel-friendly perks Retractable Accordion Construction: Easily collapses down to a fraction of its standing height when empty, freeing up precious volume inside your luggage, gym bag or carry-on. Sleek Ergonomic Handgrip: The geometric, textured contours of the silicone body are engineered to provide a highly secure, non-slip grip - even when handling wet surfaces while hiking, climbing or commuting. Eco-Smart Alternative: Ditch cheap, single-use plastic bottles for a sleek, long-term hydration system that looks as professional as it performs. How to use Expand: Firmly hold the stainless-steel neck and bottom base, then pull outward to extend the bottle to its full 550ml capacity. Fill: Unscrew the secure stainless-steel cap and pour in your preferred beverage - hot, cold or icy. Collapse: Once you've finished drinking, push down firmly on the cap to compact the flexible accordion walls into a pocket-sized travel disk. Clean: Use warm water and mild soap through the wide mouth opening or wash thoroughly with a standard bottle brush between trips. Key components 1 x Hybrid Silicone Body: Premium, food-grade, high-elasticity silicone chassis. 1 x Precision Screwcap: Outfitted with rust-resistant stainless-steel plating and a heavy-duty carry loop. Security Ring: High-density, food-safe silicone leakproof O-ring. Size & details Capacity: 550 ml / approx. 18.6 oz. Thermal Threshold: Resilient from -40°C to 220°C (Boiling water applicable). Material Integrity: 100% BPA-free, non-toxic, and abrasion-resistant. Best For: High-altitude climbing, gym training, back-country camping and long-haul flights.
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