SAFE BPA-FREE---Small plastic water bottle, thick & lightweight. Made of environmentally friendly BPA-free materials, non-toxic. The reusable hard plastic bottle is durable and can withstand high temperatures. It has no peculiar smell. It can be filled with hot or cold water below -10-100℃ without deformation, and it is also drop-resistant, won't break even if it falls from a high height. To prevent burns, it is better not to pour hot water above 60℃. 100% LEAK-PROOF---The bottle has a leak-proof sealing ring. It is tight and won't leak even if it is 360° inverted. The bottle lid opens with a push button with a pull-up lock, it is transparent. With a striped non-slip design on both sides of the lid, it can be easily screwed or opened without slipping. The lid can be operated with one hand, much more convenient and practical. This water bottle has a large opening, making it easy to clean the inside of the bottle. CONVENIENT TO CARRY---It is a small space saver with an accurate and clear volume scale of 400 ml (14 oz), plump bottle body size: 15*8 cm (5.9 * 3.15 inches), does not take up space, easy to hold in hand. The bottle can be placed in a backpack/handbag/luggage/school bag. There is a lifting ring on the dust-proof bottle lid that can move up and down, we can hang it on the side of the desk/waist/bicycle. The water bottle can be used to hold water, juice, milk, cola, etc. FASHION & POPULAR--- Multiple colors optional: blue, gray, green, pink. The special small belly cups are fashionable and popular, the transparent round chubby bottle body looks cute and charming. It is warmly welcomed among energetic people, teenagers. Also convenient for boys and girls, students for school. It can be used as a learn-to-drink cup for infants and children. The nozzle of the straw will not clog. We can drink water more easily and conveniently without choking. PRACTICAL FOR EVERYONE---With a soft flat duckbill-shaped straw, made of soft silicone, thick and removable. Not easy to be bitten, especially when used as a learn-to-drink cup for children. The straw pops up automatically when the bottle lid is opened, no manual operation needed. More anti-pollution. The water flow is moderate and smooth. This beautiful water bottle can help us create a good habit of drinking water. We can carry it everywhere for various occasions: outdoors, GYM, travel.