Keep your dog's joints protected during winter exercise in this soft stretchy-fleece leg sleeve. The leg warmers are very stretchy, easy to put on and will not cut-off circulation during play. Particularly recommended for older dogs that suffer from arthritis or joint pain. * Size S suitable for dogs 10-15lbs/4.5-7kg * Size M suitable for dogs 15-45lbs/7-20kg * Size L suitable for dogs 45-100lbs/20-50kg French Bulldog model is 9kg/20Mbs wearing size M