Our Que Collapsible Water Bottle QBL features: The perfect travel bottle for your everyday adventures. Collapsible, lightweight, and matches your style. FEATURES BPA-Free & Plastic-Free food-grade silicone Dishwasher safe Taste & Odor free Lightweight & compact Leakproof Shockproof Wide mouth for ice cubes SPECIFICATIONS MATERIAL: Bottle: 100% Food-grade silicone. Durable and non-toxic. Temperature resistance up to 400f. CAP: 18/8 stainless steel. DIMENSION: 20oz • Expanded height: 8.4 in • Collapsed height: 4.8 in • Weight: 6oz • Diameter: 2.8 in • Collasped capacity: 8 fl oz 12oz • Expanded height: 6.8 in • Collapsed height: 4 in • Weight: 5oz • Diameter: 2.6 in • Collapsed capacity: 5 fl oz The importance of Hydration: https://familydoctor.org/hydration-why-its-so-important/