Kettle Gryp - Kettlebell Adjustable Portable Weight Grip Travel Workout Equipment Gear For Gym Bag, Crossfit Wod, Weightlifting, Bodybuilding, Lose Weight | Clamps To Dumbbells | Made In U.S.A.Each Kettle Gryp is made from impact-resistant ABS plastic (Acrylonitrile Butadiene Styrene), with quality molded urethane foam inserts and stainless steel h..