Asahi Kasei Water Absorbent Sandbag "Super Block" 20 pieces SUPER-BLOCK-20S 1 box

Catalog number: SUPER-BLOCK-20S Features: ●Because it uses a uniquely developed fabric, the gel inside is less likely to seep out after absorbing water. Uses: ●Ideal for initial waterproofing in urban disasters Specifications: ●Weight after absorbing water (kg): 15 ●Body dimensions before absorbing water (mm) length x width x thickness: 600 x 400 x 8 ●Dimensions after absorbing water (mm) length x width x thickness: 550 x 350 x 120 ●Absorption time (min): 3 ●Super absorbent resin absorbs water and expands in about 2 to 3 minutes. Material/Finish: ●Exterior: Polyester, polypropylene Set contents/Accessories: ●1 instruction manual (water-resistant specification), 4 dedicated plastic bags for both expansion and dehydration Caution: ●Products cannot be reused once used.