It’s made of the double mesh fabric with the flannelette edge, breathable and suit for all seasons. Pefect design pets will feel ease after wear it. Back place with magic tape plus plastic clip, which has two steel D rings on it. Premium material, good shape. Dimesnsion: S (19-28lb), M(28-39lb), L(40-50lb), XL(51-66lb), Price is for S Size- Neck Girth 15″”-17″”,Chest Girth 9″”-13″”. The other size text us pls. Price include Rubber Logo or embroidery Logo.