The fantastic BillyOh Petra reverse apex summerhouse serves as a wonderful partner during the warmer seasons and delivers a warm, inviting area all year round. The generous windows and glass doors flood the cozy indoor area with sunlight, establishing a perfect setting for unwinding or hosting guests. With its robust tongue & groove panel construction and customizable door arrangements, the Petra Tongue and Groove Reverse Apex Summerhouse is available in six different sizes to suit your needs.