picnic mat outdoor wind portable picnic mat picnic mat moisture proof pad waterproof thickened sand-proof outdoor mat

1.6*2.1 m red grid [3-7 people can sit]] 1.6*2.1 beige grid [3-7 people can sit]] 1.6*2.1 m green grid [3-7 people can sit]] 2.1*2.1 beige grid [4-9 people can sit]] 2.1*2.1 m red grid [4-9 people can sit]] 2.1*2.1 m green grid [4-9 people can sit]] 2.1*3 beige grid [sitting 8-12 people]] 2.1*3 m red grid [sitting 8-12 people]] 2.1*3 m green grid [sitting 8-12 people]]

lightweight, skin-friendly, portable, waterproof and moisture-proof 3mm thickening thermal insulation heat insulation, waterproof and moisture-proof