--sand case,sand bag,sport sand bag --durable,breatherable neoprene soft for skin --size and color is available --OEM

--sand case,sand bag,sport sand bag

--durable,breatherable neoprene soft for skin

--neoprene thickness from 2mm to 6mm sand bags,sand bag,ankle sand bag--size,color and logo  is available

--can keep warm and be flexible

--it is easy to carry anywhere

--sand bag is so fast to be a ideal  counter weight,The weight is adjustable as your wish

sport sand bag