New Joeys in the house? Our Joey kit provides Marsupial Milk Replacer (200 g) along with PETAG Nursing Kit - Carded, 2 oz. Nursing Bottles are durable plastic bottles made to withstand repeated use and sterilization. Nipples come with no holes for custom control flow of formula. Graduated bottles aid in accurate feeding. Each kit contains bottle with nipple, four extra nipples and cleaning brush. Designed by vets with natural feeding action.