This water bottle is made of food grade Polypropylene and silicone material, which is safer to use, replenish water during exercise and it will not increase the carrying burden. Features: Fine quality Polypropylene and silicone material, safer and environmental protections, can be recycled and used safely. Sealed leak proof nozzle, 360 inverted without water leakage. Large capacity, fully replenishing the required water. Soft squeeze type water out, with a large amount of water output and an nice drinking experience. Anti slip grooves on the bottle body, easy to grasp and not easy to slip off. Comes with a detachable lid, dustproof and leak proof, double safety. Suitable for most water bottle racks of 70mm and backpack side water bottle pockets. Large diameter and detachable for easy cleaning. Specifications: Color: black, orange, green, yellow, grey, white (optional) Capacity: 750ml, 620ml (optional) Material: Polypropylene+silicone Item size: 750ml: 235 * 70 * 70mm / 9.3 * 2.8 * 2.8in 620ml: 200 * 70 * 70mm / 7.9 * 2.8 * 2.8in Item weight: 750ml: 81g / 2.9ounce 620ml: 77g / 2.7ounce Package weight: 750ml: 238 * 79 * 77mm / 9.4 * 3.1 * 3.0in 620ml: 209 * 79 * 77mm / 8.2 * 3.1 * 3.0in Package weight: 750ml: 129g / 4.6ounce 620ml: 118g / 4.2ounce Packing List: 1 * Water Bottle