Mega Ring – By far the “TUFF”est toy around. The Mega Tuffy is our strongest, most durable toy…Tiger tested and dog approved! Excellent for a game of fetch or multi-dog tug-o-war, this toy keeps even the biggest dogs happy. The Mega Ring is for interactive play with one or multiple dogs. Easy to toss and Floats! Great for fly ball training. The soft edges won't hurt gums. Mega Construction: Seven Rows of Stitching Each toy’s seven layers of material are sewn together with two rows of linear stitching and two rows of cross stitching. The four rows of stitching are protected with an industrial grade luggage material that is sewn 3 more times. Seven Layers of Material Three layers of 600 Denier industrial grade material, three layers of plastic coating and finally one layer of soft fleece. All seven layers are rolled together and then sewn with a one inch cross pattern to prevent layer separation. Protective Webbing Additional industrial grade luggage material is sewn around the outside edge with three rows of stitching to cover and protect the first four rows of stitching. Squeaker Safety Pockets Each Squeaker is safe and quiet because they are sewn into a nylon safety pocket beneath seven layers of material. These toys are machine washable (air dry) and float.