Pigeon Mother's Milk Realization Nipple Bottles Brand New, Unused, Set of 4 ● "Attachment" Support ・Pita-っと Curve (Snug Fit Curve) Clings closely to the mouth. ・Latch Online Guideline for proper latching. ● "Sucking" Support ・Mochi-mochi Texture (Soft and Squishy Texture) Mimics the breast, does not hinder smooth tongue movement. ● "Swallowing" Support ・Hole Shape Designed to match "growth and development". ● Usage Notes First-time users of the nipple bottle must check the usage instructions via the provided QR code. ● How to Choose Nipple Size If the nipple size is not appropriate, it may put a burden on the baby, so choose a size suitable for their growth. If the size is incorrect, the milk may come out too quickly, causing choking, or it may be difficult to come out, putting a strain on the baby. Guideline for using Mother's Milk Realization For babies immediately after birth (hole shape) SS/0 months ~ Round Hole Drinking guideline: About 10 minutes for 50ml S/1 month ~ Round Hole Drinking guideline: About 10 minutes for 100ml M/3 months ~ Y-cut Drinking guideline: About 10 minutes for 150ml L/6 months ~ Y-cut Drinking guideline: About 10 minutes for 200ml LL/9 months and up Y-cut Drinking guideline: About 5 minutes for 200ml 3L/15 months and up Y-cut This is the completion period of weaning. Please use according to the state of weaning. The age is only a guideline. Plastic 240ml 2 bottles Glass 240ml 1 bottle Glass 160ml 1 bottle Total of 4 bottles. Will be bubble-wrapped and shipped in a paper bag.