Double sided self-adhesive paper stickers 1. one side is ready for use, the other side is covered by the glassine paper with a pulltab on it. 2.They are workable for photo mounting, cutting, notes, receipts, etc. --top layer: 65 gsm white glassine release paper --middle layer: 60 gsm woodfree paper --bottom layer:65 gsm white glassine release paper --glue: water based --packing: 250 pcs/colour box, 20 colour boxes/inner box, 10 inner boxes/CTN