Size is approximately 10cm X 4cm You can put the patch on any of your favorite items, such as Tee Shirts,Hats,Jeans,shoes,Jackets, Backpacks,Pet Clothing. Directions 1. First make sure mounting fabric is heat safe. 2. Place the patch on the desired location to decorate. 3. Protect patch surface by covering with damp cloth or thin cloth and iron on with cotton setting then press the ironer over the patch for 10 to 20 seconds about 2-3 times. 4. To insure bond repeat step 3 on the back of your cloth. 5. Wait until cooled, then check the patch corners and around the edge for a proper seal. If not sealed repeat steps 3 and 4. This item can be either sewn on or ironed on. We suggest ironing into place and then sewing to ensure a secure mount. Enjoy....!!! Local pickup please