Keep your baby's drink fresh for long in a leak proof, easy-sipping Avent Insulated Straw Cup. It is made with twist-lid to make sure your kid gets to have a hygienic drink all the time. The bottle is designed to help let the drink stay warm or cold as needed. It is spill-proof, which ensures the kid can use it without the fear of spilling the drink in the house or on the go. The detachable straw can be easily replaced and bottle can be opened up to sterilize in the dishwasher. It is from interchangeable Avent line bottles and cups to let you use it with other sippers.