AquaFlexi (Set of 2 with Bonus Brush) 17 Oz Collapsible Water Bottle &ndash; Foldable, Flexible Silicone - Travel, Sports, BPA Free, FDA Approved, Eco Friendly, Leak Proof PEACE OF MIND - This bottle is FDA and LFGB approved, and is made from FDA approved premium food grade silicone (the same material for pacifier) which is free of harmful materials like BPA & Phthalate. This is the best choice for health conscious adventurers EXTREMELY CONVENIENT TO CARRY AROUND - Lightweight (90g) and can be rolled up/ folded when it is empty. The bonus clip-on carabiner allows the bottle to be secured to any backpack, bag, duffel bag or even your belt. EASY TO USE AND MAINTAIN - The pop-up lid is suitable for one-handed usage and allows drinking on the move like cycling and driving With the bonus sponge brush, the cleaning of bottle is effortless. DESIGN TO LAST - It is tough and durable that able to withstand harsh environment between -76F to 392F (-60C to 200C) without deformation. The leak-proof design with air tight cap prevents spilling 100% SATISFACTION GUARANTEE - If you don't absolutely love this this water bottle, ship it back for a full refund.