This portable basketball system from HooKung have an Action Grip height adjustment mechanism that adjusts from 5.87 to 7 feet high. The backboard size is 28”X18”X1.2” .it can meet our needs indoors.Weatherproof and durable materials that have been manufactured from one of the quality plastic (PE). A steel main pole . an all-weather nylon net . no doubt it can endure your strongest slam dunks.It is easy to assemble and disassemble.You can bring this youth basketball hoop with stand wherever you go. No need for you to postpone fun. This is a perfect outdoor and indoor game that you can put the basketball stand in the courtyard . driveway . poolside . square . park .and other places . so that you can play with it anytime. Of course . don’t worry .the base size is 29”X 22”X 5” .the base can be filled with 30kg water or 35kg sand to ensure good stability and safety for your every shot. Its portability also allows for you to bring to your neighbors and create a full court if they also have a Basketball Hoop which can make for tons of fun. So bring the arena to your home with a residential basketball system.