Baby formula cartridge which is placed on a Sleepy Bottle bottle keeps the needed amount of baby formula dry and fresh until feeding time. The cartridge is made out of quality PP, BPA free plastic. It consists of two parts. Specifications: - Bpa free - Dishwasher safe - Easy to clean - Fits with Sleepy Bottle baby bottle - Made in Europe What's in the box Sleepy Bottle Baby formula cartridge 2 parts