Our 5 oz/sq yd crafting felt is approximately 1.6 mm (0.05 to 0.07 ) thick and is perfect for the novice, intermediate and advanced crafter. They are made from synthetic fibers and with a higher density than most other synthetic crafting felts and offer superb durability for ease of manipulation, cutting, and gluing without unraveling or creasing. It is perfect for cutting into shapes, making costumes, decorations, bulletin board back drops, and just about anything you can imagine! This felt is easy to iron and perfectly safe for kids. Slight color variations may occur.