Includes 30 shrink plastic sheets, 30 keychains, and 100 jump rings- need to design custom jewelry, keychains, charms, or keepsakes. Perfect for DIY holiday gifts Shrink film sheets are easy to draw on with markers or pencils. Bake for magical shrinking (Shrinks to 20% of its original size) into glossy, crafts These sheets measure 7.9 x 5.7 inches (20 x 14.5 cm) and are 0.3 mm thick. They shrink to 20% of their size and become 5 times thicker after heating. One side is frosted for easy drawing, and the other is glossy for vibrant finishes Create personalized Mother's Day or Father's Day gifts like keychains, ornaments, or pendants. Great Quality materials safe crafting for kids Includes 30 metal keychains and 100 jump rings for instant gift-ready crafts. Ideal for classrooms, parties, or family bonding activities Color: As Shown Material: plastic Package Contents: 1 set fathers day craft Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.