SIZE: The size provided is the inner diameter of dog shoes: Size 2: 1.6"x2.4" (WxL), Size 3: 1.8"x2.5" (WxL), Size 4: 2.0"x2.6" (WxL), Size 5: 2.2"x2.8" (WxL), Size 6: 2.5"x3.0" (WxL), Size 7: 2.8"x3.2" (WxL), Size 8: 3.0"x3.3" (WxL). The measurement method will also affect the suitability of wearing. Please follow our recommendations to measure the dog's paws, and use the inner width of the dog's paws as the main reference standard to select the appropriate size.REFLECTIVE VELCRO TAPE: Dog boots use wide seam openings and an adjustable and reflective strap, which is easy to put on and take off. This design can adjust the elasticity and maintain comfort according to the dog's leg circumference, ensuring that the dog shoes are not easy to fall off. Reflective strips can provide better visibility at night and keep the dog safe when walking and jogging at night.COMFORTABLE AND NON-SLIP: The sturdy sole is made of rubber fabric, and the bottom is printed with a non-slip design. It has super abrasion proof and anti-slip ability, which is beneficial to provide stability on steep roads and hot sandy roads when traveling. It can also protect the dog from slipping and getting injured on wet ground, bringing more comfort. There is short hair inside, which makes the dog more comfortable to wear. It is suitable for use in four seasons.BETTER PROTECTION: Dog boots can protect dog paws on hardwood floors, sharp rocks, burrs, spikes, snow and other scenes, and are suitable for various outdoor activities. When there are water stains or glass slag on the road, wearing shoes can effectively protect the soles of the dog's feet, keeping the paws dry, warm and clean, and easy to clean. It can also protect floors, carpets and sofas from scratches, which is the best choice for dog owners.THE BEST: Dog paw protectors can keep dog's paws warm and clean in rain or winter. But be careful not to use it in deep water or heavy rain, because it is only surface waterproof. Dog shoes are soft and breathable, making them easy to carry. If take them when you go for a walk, them can avoid soiling the dog's paws.