All the same features of the standard Riga Greenhouse series but in a narrower package to fit in smaller spaces. Riga Greenhouses are designed, engineered, and manufactured in Germany , a leading manufacturer of commercial and hobby greenhouses. Riga Greenhouses come standard with 8mm polycarbonate on the roof and sidewalls and 10mm twin wall polycarbonate on the endwalls. It includes 1 roof vent, 1 large rear wall window, and 1 Dutch door. Riga greenhouse kit come standard a 15 year warranty on the frame, 10 years on the covering.