This listing is for the blue variant of this product. Your parcel will also be fully insured and trackableeasy to use, this special weight bag can simply be filled with water which makes it very easy to store when empty and a great alternative to sand-filled weights! great piece of equipment for your home gym.specificationslength 68cm diameter 16.5cmcapacity 15lwater injection design. It can adjust the dumbbell weight. Empty bag can be foldedthe new 0.9mm pvc material, effectively avoid sports injurycolour blueyou will receive1 x blue water weights bag