Felt sheets come in a variety of colors to perfect your craft project. Colors in the assortment include white, black, yellow, red, dark green, royal blue and pink. The 1.5mm thick felt cuts easily with scissors (sold separately) to customize just the right shape. You can also decorate it by gluing objects or sewing on embellishments. Felt sheets are recommended for children ages 3 and up. They are made of 100 percent polyester.