Tuffy Ocean toys are made with UP TO 3 layers. 1 layer of soft fleece on the outside. 1 to 2 layers of industrial grade luggage material on the inside. 1 layer of plastic coating on the inside. SEWN MULTIPLE TIMES All of the toy layers are sewn together to make one super strong layer of material. Each toy is sewn together with 2 rows of cross stitching and 2 rows of linear stitching. Some toys have an additional piece of black trim which protects the edging and makes the toy even stronger.