Bathmates cushion rings are the perfect tool to ensure that your pumping sessions are as comfortable and as enjoyable as they can be. The soft, velvety material is skin safe and contours itself to all body types. Each pack includes two rings. 1 X40 small hole comfort ring and 1 X40 medium hole comfort ring. Adds length to your pump. Improved comfort. Helps prevent testicular suction. Hypo-allergenic. Improved seal and suction. 1/4 inch thickness provides more room to grow. Works with Hydromax X40 penis pump, not included. Sold separately.