Set of 3 glass baby bottles, Pigeon KR-100 model. - Brand: Pigeon - Model: KR-100 - Quantity: Set of 4 (1 bottle unused) - Material: Glass Thank you for viewing. I used 3 bottles for about 2 weeks after leaving the hospital. Overall, there are no noticeable scratches, and I think they can still be used. If you wish, I also have used nipples: • Weak flow nipples, two-hole: 3 (1 unused) • Weak flow nipples, one-hole: 3 • Breastfeeding-feeling nipples, S and M sizes: 1 each, unused Please let me know your preference when purchasing. All items have been sterilized by boiling, but please understand that these are used items before purchasing.