Jell-o sticker book for children's Puzzle Panorama game. Using food-grade silica gel material, safety, environmental protection, no smell, tear-resistant, washable. Re-use paste, no trace can be moved. Want to stick where, stick where, tear off without leaving a trace. Can be attached to the smooth surface of the object, such as cups, tiles, refrigerators, etc. . For children's teaching games, parent-child interaction, concentration training, etc. . Through SGS security inspection, CE certification.