Come and see our amazing products. Dumbbells add intensity to your normal exercises,The extension bar is stronger than the others. Exercise your biceps, triceps, arms. Convert fat into muscle.100% environmentally friendly materials, non-toxic and harmless can be used with confidence, humanized design, multi-function can drink water or fitness.No need to worry about water leaking, made with high quality lid.Ergonomic Grip,Dumbbells are ergonomically designed to support your hand grip and offer extra comfort during your exercise workout routine.Dumbell are used for aerobics, yoga , pilates, walking , dance fitness, rehabilitation and bodybuilding (with heavier weights),You can also add dumbbells to aerobic step workout Pls confirm with us about the packing info, stock color and exact production time before placing your order