900 mm square = 90 cm square.
Comes with waterproof base.
Filled with hypo allergenic fibre fill.
The cover is removable and is made so that it has 2 zips so the insert slides straight out.
10 cm gusset for extra thickness.
Shipped Australia Wide.
The top is tie dyed cotton and the base is waterproof black fabric.
Please note each is slightly individual due to the hand dyed fabric.