Features: 57*30mm(about 2.17*1.18in) paze size for 1 sticker roll. Made of pure wood pulp, eco-friendly and non-toxicity, safe to use. Fine quality thermal paper sticker, clear to print. Widely used to print test paper, wrong questions, journals, notes, memos, etc. Specifications: Qty: 1 roll, 5 roll, 10roll(optional) Paper Width: 57mm Roll Diameter: 30mm Package Size: 57*30*30mm/2.24*1.18*1.18in(1 roll) 150*57*30mm/5.91*2.24*1.18in(5 rolls) 150*60*57mm/5.91*2.36*2.24in(10 roll) Package Weight: 20g/0.71oz(1 roll) 100g/3.53oz(5 roll) 200g/3.53oz(10 roll) Note: Thermal paper only, thermal printer in the picture is not included. Packing List: 1/5/10*PaperRoll