Check the exact size of your 7-foot mattress before ordering bed sheets. 

Type 1

Two 3.5-foot beds placed side by side create a 7-foot bed.

Type 2.

Two 3.5-foot mattresses are placed with a gap between them due to bed frame edges. A 7-foot bedsheet, with added fabric to cover the gap, is required.

Type 3.

A 7-foot mattress in one piece is a custom-made size.