Various Sizes Offered. No Interest Payment Option. 20-Year Warranty. Free Scheduled Home Delivery for our TigerFlex line. The 4’x6′ Tiger™ Double Flex Apex garden shed presents a distinctive structure where you have the freedom to select the placement of your pairs and openings, granting you the liberty to configure it precisely how you desire. Explore the 4’x6′ Tigerflex Shiplap Apex Double Door Shed.