1.Food-Grade PP material, BPA free
2.100% leak-proof
3.Easy to clean, safe for dishwasher and refrigerator
4.Engraved scale in oz and ml
5.Easy to drink from
6.Includes an ball/sieve/mesh/spider inside the bottle
7.We are a factory and can control the quality well.
8.We can send you a free sample before ordering, so that you can assure the quality first.