1. material: the clear square water bottle is made of PS plastic, sturdy and solid, will not break or deform easily, the surface and edge are carefully, exquisite workmanship makes it no burr, to touch, do not worry it will scratch your hands while using, no odd smell, providing you with a comfortable use experience 2.Practical leakproof design: this outdoor water bottle square is designed with 2 openings, one big small, the double design keeps the liquid from leaking out, and soiling your bag or hands, while the larger opening allows you to put small pieces of fruit in the cup, to DIY your own drink and flavor to it 3.Wide application: these clear milk water bottles can be widely applied to various liquids, like hold milk, fruit , water, soda, beer, tea and so on, which is suitable for diverse outdoor activities, such as running. cycling, biking, , fishing; Transparent design provides to observe the remaining of the drink 4.Need attention - Filling with water, tea, coffee, or any other beverages lower than 60 / 140 . 5. You can fill it with drinks, take it out to the , fill it with milk and put it at the head of the bed to read, or decorate coffee to refresh yourself and put it in front of the computer desk. You can take it with you when you need it to bring you a good mood and state. size: 500ML:5.7x17.2cm Material:PS+PP colour:Transparent Package Contents: 2 x Square Water Bottle Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.