We've taken on Everest. Now we're ready for toddlers! Nalgene containers have stood up to some of the world's most extreme conditions. Small potatoes compared to small children. The new Nalgene Grip-n-Gulp is tough enough to survive being thrown form a moving minivan, spill proof enough to compel parents to blame the rug stains on the dog, and odor proof enough to allow leftover milk to go undetected under the couch for months. Most importantly, it's a great way for little kids to reach new heights. Lid loop can be clipped to backpack, diaper bag, or stroller. 12oz cup is compatible with OTG, ATB, and wide-mouth closures. This bottle is manufactured from Eastman Tritan TM copolyester that is manufactured without BPA The recycling code on this product is #7, that means other.