CubeSmart (formerly U-Store-It Trust) is a real estate investment trust (REIT) that owns more than 420 self-storage facilities with nearly 30 million sq. ft. of rentable space in about 25 states and Washington, DC. The company also manages manages more than 100 self-storage facilities for third parties. Amenities at its properties include security systems and wider aisles for larger vehicles, as well as climate-controlled units and outdoor storage for vehicles and boats at selected sites. The REIT also sells storage-related items such as packing supplies and locks to tenants, who typically rent units on a month-to-month basis.