Color classification
[Basic hard pad] thickened plus hard support | Family application | 3.94in
[Basic Cushion] Package Portable | Students, Rental Overlay | 1.57in [Express Express Express]]
[Base hard pad] family application | 3.15in
[Basic Hard Pad] Foldable | Family Applicable | 1.97in [Express Express Express]]
[Basic Hard Pad] Family Applicable | 1.97in [Express Express Express]]
[Base hard pad] foldable | Family application | 3.15in
[Basic Cushion] Package Portable | Students, Rental Overlay | 3.15in [Express Express Express]]
[Advanced Edition] Antibacterial Anti-mite | High Sleep Requirements | 3.15in
[Flagship Edition] Internal and external antibacterial fully removable washable | More high quality materials | 3.94in
[Deluxe Edition] Full Disassembled and Washable | High Sleep Requirements | 3.94in
[New Upgrade Hardening Handy Gadget] Comes with Fixing Belt | Visualization Window | 1.97in [Express Express Express]]
[Children's Edition] 3 Heavy Bacteriostatic Double-sided Sleep | Higher Safety Grade Material | 3.15in [Express Express Express]]
[Basic Hard Pad] Foldable | Family Applicable | 1.18in [Express Express Express]]