Forget sewing or ironing! Fabric Fuse is a washable, double-sided press-on adhesive specifically designed for fabric and patches! To adhere, simply press-on and go! Use it on fabric, felt, backpacks, scout badges, ribbon and more. Details:4.25" x 5" (10.8cm x 12.7cm) sheet size12 packs (5 sheets per pack, 60 total sheets)Machine washable and dryablePermanent, very strong, instant bond