Set of 3 colors: fluorescent blue, fluorescent green, and fluorescent yellow. Please note that these are not glow-in-the-dark or phosphorescent. ■ About the materials that can be applied to fabric 100% cotton, 100% polyester, cotton/polyester blends, poly/acrylic blends, artificial leather, etc. ■ Rubber sheet material Polyurethane soft flex cutting sheet ■ Does not contain harmful substances such as formaldehyde. ■ When washing, turn the sheet side inward and do not use bleach or fabric softener. (Do not dry clean) ■ When ironing after washing, place a pressing cloth over the design. ■ Please be sure to perform test applications and sample creations, etc., and make your own judgment on use. We are not responsible for any disadvantages to customers that may arise from the use of the products. Iron-on sticker Iron-on sheet Iron-on rubber sheet Iron-on rubber seal #Nooooob's Iron-on Rubber Sheet