Depending on the mattress and size that you choose, the dimensions of the box can vary. Just take a look from the list below for the mattress that you are looking for. 

Simba Hybrid® Essential Mattress

Single - 106 x36x36cm

All other sizes - 105x50x50cm

Simba Hybrid® Mattress

All sizes - 105x50x50cm

Simba Hybrid® Pro Mattress

All sizes - 145x44x44cm

Simba Hybrid® Luxe Mattress

Single - 105x50x50cm

Double & Small Double - 145x44x44cm

King & EU Queen - 165x44x44cm

Superking - 185x44x44cm

Simba Hybrid Kids® Mattress

106x36x36cm

Simba Hybrid® Topper

All sizes - 106x36x36cm

Simba Simbatex® Essential Foam Mattress 

Single - 106 x36x36cm

All other sizes - 105x50x50cm

Simba Simbatex® Foam Mattress 

All sizes - 105x50x50cm

Earth Range Mattresses 

All mattresses in this range, Source, Escape, Apex, are delivered flat in a protective, damp proof plastic bag with a cardboard outer.