DOOG Is A Leading Manufacturer Of High-Quality Products And Our Brand Soft Harnesses Prove It, Made From DOOG's Special 'Neoflex" Material Which Is Kinda Like A Lightweight Wetsuit Harness For Dogs! Adjustable In 2 Places, They Are Soft And Comfortable For Exercise And So Great For Swimming And Playing In The Snow. The Perfect Choice For Active, Outdoor Loving Dogs. Suitable For Small To Medium Sized Dogs. Please Refer To The Size Chart To Find The Perfect Fit (Larger Dogs Better Suited To Our Step-In Harness) For Your Best Friend.