Creotime Shrink Film These shrink films have a pre-printed design with both a matte and glossy surface. It shrinks up to 40% of its original size after heating in an oven. Decorate the shrink film with pencils on the matte side and with permanent markers on the glossy side and finally make a beautiful key ring. Specifications: Gender: junior Material: plastic Color: transparent Dimensions: 14.5 x 14.5 cm Age: from 4 years Contents: 4 Shrink films