Transparent retractable crazy plastic 3 kits of 4 sheets. Magic it reduces and thickens when cooked Print your photos on these crazy plastic sheets to make unforgettable keyrings and magnets. Crazy plastic is magic: this amazing material that you can color as you wish hardens and shrinks once baked. Decorate, cut, then bake 12 sheets compatible with inkjet printers. Size: A4. User manual included.