We can adjust the quantity! Bulk orders are eligible for discounts and free shipping! This is a set of 30 empty cores. These are the cores from the plastic bags you often see in supermarkets. They are made of a hard material that cannot be cut with a cutter or scissors. How about using them as materials for summer vacation crafts? We also accept combined purchases with other toilet paper rolls, and in that case, we will offer a significant discount and free shipping, so please comment before purchasing. The following text was created by AI: This is a set of 30 paper cores, perfect for crafts and DIY projects. - Quantity: 30 - Material: Paper - Diameter: Approximately 3.5cm - Length: Approximately 26.5cm Thank you for viewing. No returns or exchanges, please.