5cm breathable spine protection natural environmental protection dormitory mattress coconut palm fiber mattress hard pad upper and lower bunk student single mattress

[4cm] woven cotton fabric + 2cm environmentally friendly brown [5cm] woven cotton fabric + 3cm environmentally friendly brown [7-8cm] woven cotton fabric + 5cm environmentally friendly brown [9-10cm] woven cotton fabric + 7cm environmentally friendly brown

0.9*1.9 0.9*2.0 1.0*1.9 1.0*2.0 1.1*1.9 1.1*2.0 1.2*1.9 1.2*2.0 1.35*1.9 1.35*2.0 1.5*1.9 1.5*2.0 1.8*2.0