Collapsible Silicone Coffee bottle, Collapsible design, square secure base, tight fitting lid, strap, the collapsible bottle fits well in your pocket, backpack, suitcase and takes up no space. The collapsible bottle is flexible and easy to clean, dishwasher safe and freezer safe. This silicone folding bottle is ideal for friends, family, office etc. Customize your logo, suitable for company parties, exhibition marketing, anniversary, employee benefits, and other occasions. Measuring 21oz, this custom creative collapsible silicone eco-friendly outdoor coffee bottle 21oz. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. We offer logo printing and full packaging customization. Product Highlights: BPA-free, leak-proof, travel-friendly.