1.Made from clear, break resistant plastic can be boiled; top rack dishwasher safe; microwave safe for warm fluids only. Always warm fluids with cap and mipple removed from nurse. Graduated in both ounces and ml. Nipple soft and comfortable for baby mouth. 2.There are two types. Please look at the photo. Origin China Material Plastic Delivery lead time about 20 days Minimum order 3600pcs