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" thickness provides more room to grow