1 Seater: Length: 50-63cm/20-24.8inches; Width: 50-65cm/20-25.6 inches; Thickness 5-20cm/2~8 inches.
2 Seater: Length: 100-125cm/39-49 inches; Width: 50-65cm/20-25.6 inches; Thickness 5-20cm/2~8 inches.
3 Seater: Length: 150-190cm/59-75 inches; Width: 50-65cm/20-25.6 inches; Thickness 5-20cm/2~8 inches.
Large Size:
1 Seater: Length: 65-80cm/25.6-31.5 inches; Width: 65-80cm/25.6-31.5 inches; Thickness 5-20cm/2~8 inches.
2 Seater: Length: 85-110cm/33.5-43.3 inches; Width: 65-80cm/25.6-31.5 inches; Thickness 5-20cm/2~8 inches.
3 Seater: Length: 120-150cm/47-59 inches; Width: 65-80cm/25.6-31.5 inches; Thickness 5-20cm/2~8 inches.
4 Seater: Length: 155-175cm/61-68.9 inches; Width: 65-80cm/25.6-31.5 inches; Thickness 5-20cm/2~8 inches.