Size: : XXS (3.1cm L*3.7cm W/1.5" L*1.2" W), XS (4.2cm L*3.4cm W/1.7" L*1.3" W), S (4.7cm L*3.7cm W/1.9" L*1.5" W), M (5.2cm L*4.2cm W/2" L*1.7" W), L (5.7cm L*4.5cm W/2.2" L*1.8" W), M (5.2cm L*4.2cm W/2" L*1.7" W) The size is the inner diameter of the shoe, and there may be errors in manual measurement. Please measure the dog's paw according to our suggestions and pictures, and choose the appropriate size based on the width of the dog's paw as the main criterion. . Reflective Velcro: : Dog boots have wide slit openings and adjustable reflective straps. Easy to put on and take off. This design can ensure that the elasticity can be adjusted, so that the boots and the dog's feet fit perfectly. The reflective strips on dog boots can provide good visibility at night and protect the dog's safety at night. . Waterproof material: : Dog boots are designed with waterproof zippers and Velcro. They can also keep dog paws comfortable, clean, dry, and warm in rainy, snowy and other humid environments, but be careful not to deep water, Use in snow, because the cotton used to keep warm on the top of dog shoes is absorbent and may leak water into the shoes. . Comfortable non-slip sole: The sole of the sturdy dog boots is made of rubber fabric, and the bottom is printed with a non-slip design. It has super abrasion resistance and anti-skid ability, which is beneficial to provide stability when driving on steep roads and snow. Suitable for indoor and outdoor wear. Provides good traction. . Protect the dogs paws: Wear shoes to protect their paws and nails from asphalt roads, hardwood floors, sharp rocks, broken glass, sharp thorns, ice cones, etc. Outdoor rain, snow, muddy roads, it is difficult to distinguish the road conditions, wear shoes to avoid damage to the dog's paws. It can also help dogs with injured paws to prevent licking the wounds. .