UPGRADED MATERIALS- Polycarbonate greenhouse is constructed using a premium aluminum alloy frame, along with reinforced rods on the sides and diagonal rod fixation for enhanced sturdiness and load-bearing capacity; Double-wall polycarbonate boards with 4mm UV protection effectively blocks 99% of UV radiation to protect your plants CUSTOM ADJUSTMENT- This heavy duty green house features two adjustable skylights with various opening angles available, creating optimal air circulation system to sustain indoor ventilation and cooling; Innovative sliding door allows for seamless opening and closing, and saves more space than traditional ones FIXATION MEASURES- The walk-in green houses are built on a sturdy galvanized steel base, which leaves holes for expansion screws (included) and attached ground nails to fix to the ground for greater stability and temperature chamber wind resistance; Recommended to apply glass glue to the connection between PC board and frame for better water protection ALL SEASON GREENHOUSE- Top tilt angle design of the polycarbonate aluminum greenhouse helps to achieve effective wind resistance and drainage capacity; This beautiful and convenient product is perfect for gardens, decks, and backyards for year-round plant cultivation and protection EASY TO INSTALL- Enjoy easy installation of this walk-in greenhouse with all instructions included; You can add a lock for the door for enhanced protection; This product is divided into 2 packages and may not arrive together so please wait patiently Specification Brand:TAUS Color:Matte Black Door Style:Sliding Door Cover Material:Polycarbonate (PC) Size: 6X8FT Item Dimensions LxWxH:96"L x 75"W x 76.7"H Item Weight:54.3 pounds Package Include 1 x Polycarbonate Greenhouse