Duraforce® dog toys are made with two (2) layers. The exterior mesh is thicker than most multiple layer toys! Each dog toy is sewn together with 2 rows of cross stitching and 2 rows of linear stitching! One (1) layer Durable Plastic Coated Woven Mesh on the outside & One (1) layer strong luggage grade material on the inside. Size Large: 9"L x 4"W