Stainless steel water bottle keeps drinks cold or hot for 2 hours. Sealing well, leak-proof. At the bottom of the bottle, soft non-skid silica keeps it from slipping. Food-grade PP polypropylene cap, non-toxic pollution-free, light quality. There is a small space hidden in the lid, you can put some tea or something else in it. Cute penguin shape design. A wonderful gift for families and friends.