A mattress sits inside a bed frame, on this basis the mattress is always small then the actual bed. If is for this reason we supply external dimensions for our bed frames. Each listing will have the mattress size, just scvroll down on the listing. Below are also the sizes:

2ft 6 Short Length Bed - 70cm by 160cm

3ft Short Length Bed - 90cm by 190cm

2ft 6 Small Single - 75cm by 190cm

3ft Single - 90cm by 190cm

4ft Small Double - 120cm by 190cm

4ft 6 Double - 137cm by 190cm

5ft King Size - 150cm by 200cm

6ft Super King Size - 180cm by 200cm