Silicone nipples for baby bottles that babies can drink from naturally. - Brand: Pigeon - Target age: 3 months and up - Size: M - Quantity: 2 pieces - Material: Silicone Thank you for viewing. I purchased these in May of this year. I was using 8 of them, so these are still in good condition. There are no bite marks or stains. The nipples will be flattened and sent in simple packaging.