Get complimentary delivery on a day that suits you for our Tiger-Flex collection. Tiger Barns 4’x4′ Timber Tiger Double Flex Pent Storage Unit Double Thoroughly Lined Tongue & Groove Day Shipping. Designed by us, Arranged by you – The Tiger™ Double Flex Pent outdoor storage unit is a flexible structure that lets you decide the placement of your duplicates and openings, offering you the freedom to customize it to your liking 4’x4′ Tiger-flex Shiplap Pent Double-door Storage Unit