Specifications: Refill seal for one patch stamp. It feels like a stamp, making it easy and speedy to reinforce the punching holes. Material: Sticker: PET; Quantity: 200 pieces x 2; Seal Specifications: Standard size (transparent type); Seal size: Outer diameter 0.5 inches (14.5 mm), Inner diameter 0.2 inches (6 mm); Body: U-PSM10B; Art Supplies Shop Dot Com Postcard A; Limited Product!! 1 x Cute Animal Postcard