jigsaw puzzle 1. Material: paper card, 1-2mm thick 2. Color: customized, CMYK printing 3. Feature: ecofriendly Product Details: Puzzles1. delicately designed2. ecofriendly, biodegradable3. professional manufacture4. vivid colors with high-tech printing Specification color & sizecustomizedmaterialpaper card , cardboard, 1-2mm thickprintingthe common 4 color (CMYK) processpackingpoly bag or gift ...