Portable Modular Winter Garden Glass Prefab Flower Greenhouse. Durable Aluminum Frame: 1.1-1.5mm thick aluminum frame resists storms, snow, and strong winds. Safety Tempered Glass: 4mm tempered glass cover ensures safety and beautiful appearance. Long-Term Warranty: Comprehensive 15-year warranty coverage for peace of mind. High Wind Resistance: Engineered to withstand wind speeds up to 100km/h. Snow Load Capacity: Designed to support snow loads of 60kgs per square meter. Customizable Colors: Available in Green, Grey, or other powder-coated colors. Flexible Customization: Offers full, minor, and sample-based customization options. Efficient Ventilation: Equipped with two roof windows and optional automatic openers.