This is a set of 7 empty cardboard cores, 22cm in size, suitable for use as the core of plastic wrap. - Quantity: Set of 7 - Size: For 22cm wrap Diameter: Approximately 3cm, Length: Approximately 22.7cm - Color: White ※ The cores themselves are firm and durable. Due to the thickness being at the limit, bubble wrap will not be used for packaging. To prevent water damage, the items will be placed in an OPP film and then in a宅配用ビニール袋 (delivery vinyl bag) and shipped via anonymous delivery, Nekopos. #WrapCore #EmptyCore #Materials #CraftSupplies #CraftMaterials #Nursery #Kindergarten #ElementarySchool #Art Thank you for viewing.