Dog Shoes for Large Dogs, 360°Anti Slip Medium Dog Boots & Paw Protectors Winter Snowy, Waterproof 4Pcs Dog Booties with Reflective Strips (Size 5: 2.37''x2.87''(W*L), Red)

Put your dog's feet on the paper.

Prepare a piece of paper and pen. The widest part of the dog's paw.

Measure the widest part of dog claws.

Choose the size closest to the actual measured width of the foot, based on the width of the foot.