Collar - OasisFully adjustable collar Metal accessories added for extra good quality D ring for leash attachment Paired perfectly with matching leash Neoprene material for added comfort Sizing: Please make sure you look at the sizing chart or photos for reference before making your purchase. If you have any questions about sizing please email us at onlygoodbehavior@gmail. com Please look at the sizing chart located in the navigation bar or at the bottom of this