These pocket-sized, keychain jewels make super practical little gifts with a personal touch! The set comes with 12 plastic keychains including hardware, plastic covers, and backs in 4 pieces of each of the 3 shapes: circle, heart, and star, plus 24 paper inserts (2 per keychain). It's easy to decorate the inserts and then snap the pieces together for the final miniature masterpieces. Keychains measure 9 cm L x 9 cm H x 0.5 cm thick. Ideal for holiday and summer crafting.