1) Pin together one of the outer fabric pieces and one of the waterproof pieces, wrong sides together. If you're not sure about the waterproof fabric, the right side is shiny and slippery and the wrong side is very slightly tacky. Do the same with the remaining two pieces.
âºâº Definition: Square foot. A square foot is by definition the area enclosed by a square with sides each 1 foot long. One square foot is equal to 0.09290304 square metres for the international, English foot. A square metre (US spelling: square meter) is by definition the area enclosed by a square with sides each 1 metre long.
1 Sq. Foot = 0.09290304 Sq. Meter. Sq. foot is an imperial, US customary area unit. It is used mostly in real estate, architecture and interior space plans. The abbreviations are sq ft and ft 2 . Sq. meter is an area unit in metric system and used widely in measuring the small lands, floor plans etc. One sq. meter equals to 10.7639104 sq. feet. The abbreviations are m 2  or sq m.