Smart Pot? new fabric raised bed?a size for every situation. Smart Pot? Long Bed Pots come in 6 ft, 8 ft and 12 ft long x 16 in wide and tall. Inserts placed internally in bed aid in keeping raised beds upright. Perfect for large garden installations; no construction required. The Big Bag Bed also air prunes roots while protecting plants from underground pests like gophers and moles. Just unfold, fill and plant! Soil volume: 6 ft - 10.7, 8 ft - 14.2 and 12 ft - 21.4 cu ft. Growing area: 6 ft - 8 sq ft, 8 ft - 10.7 sq ft and 12 ft - 16 sq ft.