ITEM NAME:20Pcs 5 Colors DIY Iron on Denim Fabric Patches for Clothing Jeans Repair Kit.This is inportant. Pre-heat your iron, iron the right side of patch for 10 - 20 seconds to fix it; Also can fix the patch by sewing it in case of moving. 4 x Black iron on denim patches. 4 x Skyblue iron on denim patches.