1.The metal key ring is flat and keep securely closed, providing strong fastening, good for connecting clasps, charms, links and other ornaments. 2. The lanyard string cord strap with easy open loop design, easy to attach or detach, avoid knots. 3.Butterfly clutch with spring fastener slices allow you to install and remove it easily, provides good grip of pin to keep it stay in place. 4. The length of tag bead chains is adjustable, you can use the scissors to cut the chains apply to the connector clasps to connect two chains according to your needs. 5.Simply draw or trace a design onto shrink film, decorate with colored pencils, cut it out with scissors, punch a hole, finally bake at 320 degrees for 3-4 minutes until it curls up and flattens out, then remove from the oven and quickly press down on a tray to flatten out any unevenness (baking time depends on the size of the shrink plastic). Perfect for family time on weekends, school art activities and fun activities at parties. Ideal for making earrings, key chain rings, brooches, buttons, gift tags, zipper pulls, bookmarks, scrap booking, jewelry finding pendants, collage art, embellishments, fridge magnet and more! The shrinking art kit contains 10Pcs blank shrinking film paper sheet, 10pcs 10-colors drawing pencils, 30pcs open jump rings, 30pcs earring hooks, 20pcs 25mm/1inch keychain rings, 20pcs silver ball bead chains, 20pcs mixed colors lobster clasp cords, 20pcs butterfly clutch tie tacks and a plastic organize case, totally 161pcs. The shrinking kit covers all tool and jewelry findings to meet your different demands. Made of high-quality PVC and one side is frosted for easy to color. The shrink plastic sheets measure 5.7inch x 8.1inch/ 14.5cmx20.5cm, which shrinks to 20% of its initial size to a plastic, becoming 5 times thicker after heating. The colors also darken and deepen as they shrink. Easy to create all sorts of cool crafts as you like. Colour:As Shown Material:Metal Package Contents: 1set x keychain kit 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.