Size:
XS#length 38*width 28*height 18
S# length 48* width 38* height 20
M# length 58* width 48* height 22

one size Folding bed:
Expansion: 61 x 51 cm
After folding into bed: 38x38cm

All are measured by hand, please allow a little error

pet sleeping bag nest
Universal for all seasons