Egg Crate Seats. Just perfect and portable. these sturdy bench seats are a fine compliment to your patio or as minimalist seating in your loft or home. Perfect, too, for portable beach home or cabin seating! Created from metal egg crates and fir 2 by 4s, they measure 11 × 11 1/2 inches and are 18 1/2 inches tall. As well, when inverted it can be used to carry items if you are camping or RVing. Each is unique as to the individual wood grain design and dark walnut finish.