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