Socks Supplement Black socks, size 23-25cm. Can be worn stretched out or scrunched up. - Product Name: Marude Kotatsu Socks (Like a Kotatsu Socks) - Color: Black - Size: 23-25cm - Material: Acrylic, Polyester, Polyurethane - Features: Uses warming technology When shipping, the package may be compressed if it doesn't fit in the mailbox. (It probably will fit) Only if that's not possible, the socks may be removed from the packaging and sealed for shipping. Thank you for your understanding.