Outsunny 6x2.5ft Polycarbonate Aluminium Greenhouse with Sliding Door - SilverOutsunny 6 x 2. 5ft Polycarbonate Greenhouse Aluminium Green House, Silver Protect your plants year round with a robust, easy to assemble polycarbonate greenhouse. Built on a powdercoated aluminium frame, it combines durability with clear, lighttransmitting 4mm twinwall polycarbonate panels for a safe and thriving growing space. The sliding door allows easy access, while the adjustable window offers ventilation across five levels. A top gutter