Descriptions:These patches mainly used in clothing, trousers, bags, DIY, etc, suitable for reinforcement and decorative applications. Package includes 18 pieces iron on jean cotton patches, enough to finish your craft projects.Specifications:Size: large 12.7*12.7cm/5 x 5inch, medium 12.5*7.4cm/4.92 x 2.91 inch, small 7.4*5cm/2.91 x 1.96inchQuantity: 18 pieces(large 4pcs, medium 6pcs, small 8pcs)Color: as shownWeight:34gInstructions for use:1. First, position the patch where you want to place and the side with melt adhesive should close to your cloth or other textiles. 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.2. Then turn over your cloth or other textiles, iron the back side of patch for 30 - 60 seconds to ensure that the adhesive has melted and the patch has firmly fixed on your cloth or other textiles.3. Finally, iron the right side again for 1 - 2 minutes, especially the edge and corner, so as to make a smooth surface.Package Included:18 x Iron on patchesNote:1. Cloth or other textiles should be dry, no need to wet the patch or cloth when ironing. 2. The patch which was ironed on cloth can last for a long time. If it falls off a period of time later or after washing, that means the ironing temperature is on the low side or ironing time is too short. You can paste the patch again with the above same steps.3. Due to manual measurements, it may exist 1-5cm error.4.There may be a slight color difference between the picture and the actual picture.