Halstrum LubriSyn Canine block-return-exchange Durable Outer Shell: Highly abrasion-resistant

Durable Outer Shell: Highly abrasion-resistant with a flexible cut-out for unrestricted movement and a perfect fit

It has a 1/8 inch wool felt top and a 3/4 inch closed cell foam bottom

Double ply leather

FLX Foam midsole made with eco-friendly rice husk blend

Size:  17In

Halstrum LubriSyn Canine block-return-exchange Durable Outer Shell: Highly abrasion-resistantGive your dogs and cats LubriSyn the daily dose for fluid joints! Allnatural, oral, liquid form of hyaluronic acid (HA) helps maintain healthy joints by improving the quality of the synovial fluid that cushions and lubricates joints. HA is the main component of joint fluid and it deteriorates with exercise and age. The more active your pet, the quicker joint fluid breaks down, causing the bonetobone friction that can lead to inflammation. LubriSyn CA