Brand: BotabeeFeatures: COMPATIBLE WITH COMOTOMO BABY BOTTLES: Bottle collars designed specifically for use with all Comotomo Baby Bottles Collar rings fit both 5 Ounce and 8 Ounce bottles (Bottle not included)LEAK-FREE FEEDING: Premium, replacement bottle collars are simple to fit on your Comotomo Baby Bottle and screw on snugly to prevent leaksEASY TO CLEAN: Our bottle collars are dishwasher-safe (top rack) and heat resistant up to 248F for safe, easy sterilizing in hot water or standard sterilizersFOOD-GRADE MATERIAL: Bottle collars are durably constructed with made of 100% food-grade PP and are BPA-Free for long-lasting, safe useSET OF 3 BOTTLE COLLARS: This set includes 3 replacement bottle collars so you always have extras when you need them