bumper ball 1, best price and quality 2, safe and fast delivery 3, welcome to inquiry anytime winter ... take all charges to repair and replace if any quality problem within 3 monthTpu has better quality than pvc:1, tpu ... environmentally friendly than pvc; 3, tpu is with high purity and pvc is a mixture, so tpu will keep ... if anything we can do for you!!! OXYZ cheap price and high quality bumper ball