Spots Arctic Fleece Dog Boots feature a non-skid, PVC sole to protect your dogs paws from damp weather, chemicals, salted roads, and any other unfavorable condition. These boots are fastened with velcro for the ability to take them off easily - but only when you want to. Includes all 4 boots for complete weather protectionVelcro fasteners ensure a snug fitNon-skid, PVC sole provides superior tractionNOTE: Picture shows the top of the boots in the top row and the bottom of the boots with the traction pads in the bottom row. Measuring Tips: Measure the front paw from heel to nails but not fur. A snug fit is best or boots may slip off. Dog Boot Sizing Guide:XXX-Small: 1. 5" - (Toy Poodle, Maltese)XX-Small: 2. 25" - (Jack Russell Terrier)X-Small: 2. 75" - (Sheltie, Min. Schnauzer, Min. Poodle)Small: 3. 25" - (Beagle, Westhighland Terrier)Medium: 3. 75" - (Dalmatian, Border Collie)Large: 4. 25" - (German Shepherd, Golden Retriever)X-Large: 4. 75" - (Old English Sheepdog)