Bright colors: The service dog patches with bright colors and eye catching texts to show your dog's attributes and needs, which make it easier to be seen by the passers by. Multiple usages: These military service dog patches can firmly stick to the dog vest, harness, collar, leash, backpack and other patch accessories, not easy to fall off, you can use them with confidence. Specifications: Material: canvas Color: as shown in the pictures Size: between 8 cm/ 3.15 inches and 10 x 2.5 cm/ 3.94 x 0.98 inch