AA31 Material Composing

Top & Back (from outside to inside)
1.1680D Polyester (Waterproof)
2. Polyurethane Foam (5mm)
3. EPE (5mm)
4. PP Board (4mm)
5. EPE (10mm)
6. Polyurethane Foam (5mm)
7. Polyester Velboa Fabric
Sides (from outside to inside)
1. 1680D Polyester (Waterproof)
2. Polyurethane Foam (5mm)
3. EPE  (5mm)
4. ABS Hollow Sheet (5mm)
5. EPE(10mm)
6. Polyurethane Foam (5mm)
7. Polyester Velboa Fabric