Swim-crete straight wall forms come in a variety of lengths and heights; imperial English as well as metric. Our common imperial heights are 48" and 42", with availability between 6" and 144" inches; with lengths commonly ranging between 1" and 72". Our common 48" x 72" form weighs approximately 90 lbs. Our common metric form is 100cm x 150cm which weighs approximately 30 kilos.