New and unused thermal label stickers. Specifications: 40 x 30mm size, 400 sheets per roll, core diameter 13mm, roll diameter 50mm. This is a set of 8 rolls. --- ■ Product Specifications • Condition: New, unused • Type: Thermal label • Size: 40mm x 30mm • Quantity: 400 sheets per roll • Number of rolls: 8 • Core diameter (inner diameter of paper tube): 13mm • Roll diameter: 50mm • Adhesive: Self-adhesive type • Compatible models: Small label printers / Handheld thermal printers --- ■ Remarks These are general-purpose thermal labels. You can use them directly with label printers that fit the size.