Both are glass. They are glass, but one has some discoloration. There is no lid. The nipples are unused, size S, two pieces. The caps are different colors, yellow and white, but both can be used. Everything in the photos is included. Set of 2, 160ml glass baby bottles, - Brand: Pigeon - Capacity: 160 ml - Quantity: Set of 2 - Color: White/Yellow - Type: Glass baby bottles Thank you for looking.