What are the dimensions of the mattress?

The Align Firm Mattress is 20cm (7.87 inches) high. The length and width of the mattress adhere to standard Australian dimensions, as listed below:

Single - 92 x 188 cm

King Single - 107 x 203 cm

Double - 138 x 188 cm

Queen - 153 x 203 cm

King - 183 x 203 cm

Super King - 203 x 203 cm