This is an ice mat that uses ice packs. It can be used by children on their backs, or in baby carriers and strollers. I purchased it for 1150 yen. It's in good condition, having been used about twice. Outer fabric: 76% cotton, 24% polyester; Piping and cord: 100% polyester; Filling: polyurethane; Lining: 100% polyester (polyurethane resin processing on the back side) Cooling goods, ice pack, stroller supplies, summer, heatstroke prevention, for baby carriers, backpack type, ice mat, baby, kids, heat対策, leisure, ice pack cover