double-sided aluminum foil moisture proof pad warehouse beach mat thickened picnic lunch break lawn portable dormitory bed board moisture insulation mattress

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50*50 * 3mm without outer band 100*100 * 3mm without outer band 90*190 * 3mm with outer band 200*90 * 3mm with outer band 200*100 * 3mm with outer band 200*120 * 3mm with outer band 200*150 * 3mm with outer band 200*180 * 3mm with outer band 200*200 * 3mm with outer band 220*220 * 3mm with outer band need to be spliced 240*240 * 3mm with outer band need to be spliced 200*240 * 3mm with outer band 200*250 * 3mm with outer band 200*300 * 3mm with outer band 300*300 * 3mm with outer band need to be spliced