Babies are notorious for biting everything. Isn’t it? But you won’t have to replace this bite proof sippy cup because your baby bit and damaged its spout. This sippy cup’s spout is gentle on your baby’s gums yet tough enough to withstand all the biting. Moreover, this is a 100% leak proof sippy cup, thanks to the simple locking lid that closes to create a leak-proof seal. Isn’t this what you call a sippy cup of your dreams!!!