Pigeon Babies can naturally drink from it. Mothers' Milk Realization * 160ml Bottle 1 Heat-resistant glass Bear Nipple SS * 240ml Bottle 1 Plastic Tree Nipple M * S size nipple 1 (It was a set of 2, but I used one, so there is none) Selling as a set of 3 items. Not for individual sale. No price reduction. Immediate purchase is OK. New, unopened, but please understand that it has been stored at home. Please read the profile and consider purchasing.