【Use】 These are the cardboard cores from rolls of plastic wrap. The thinner ones have a diameter of approximately 26mm. The thicker ones have a diameter of approximately 35mm. Measurements are approximate. This is a set of 10, with 5 of each size. They are placed in a plastic bag for waterproofing. They will be shipped with simple packaging. - Quantity: 10 - Color: White - Material: Paper Thank you for looking.