RANGER-Inkssentials Sticky Back Canvas Artist Trading Cards. Ranger's canvas ATCs were inspired by Claudine Hellmuth Studio Sticky Back Canvas. These unprimed canvas sheets accept all types of mediums and the glue backing stays sticky even after using wet media. Paint; ink; stamp; emboss; transfer; resist and more! These cards will fit into standard size card-collector pockets. This package contains twenty canvas 2-/2x3-1/2 inch cards. Available in either white or natural canvas: each sold separately. Imported.