Size 1: 2.75" x 1.96" (L*W) for 12-20 lbs; Great for Poodle; Schnauzer; Pug; West Highland Terrier, etc. Please mainly refer to the width of the dog's paw to choose the right size for your puppy from the picture size chart. QUALITY: AQH dog shoes use a rubber sole and the shoes are soft, so dogs like to walk in shoes. The toe cap is reinforced with super fiber material and then sewn together, so it is not easy to degumming. The inside of the shoe is sewn with an elastic cover, which will not scratch the dog's toe. SAFE and ADJUSTABLE: Easy to put on and take off. Anti-slip sole with reflective straps provides stability and traction, helping your dog walk safely at night. WATERPROOF: The surface of the shoes is made of ultra-fiber material, which can be simply rainproof and artificially splashed. But the shoes are not completely waterproof. It cannot be applied in deep water or sand because there may be water or fine sand seepage through sewing needle holes. COMFORTABLE: Soft and waterproof, so the boots can be used indoors or outdoors, hot and cold in wet and dry conditions. Protection from sharp thorns and hot pavement. Effectively protect dog claws from heat, stones, glass, etc. and weak paws from snow, ice, and salt in winter.