●Fits standard 18 inch rims, Designed for indoor&outdoor use ●THUNDERBAY Heavy Duty basketball net are officially sized for 21 inches in length,weighing 6.88 Ounce,12 loops to fit all standard basketball rims. ●Made of thickest nylon polyester fibers,withstand the effects of all weather and constant fiercely pull& hang for years of use outside. ●Apply advanced cross weaving technology, You just need to attach the 12 loops of the basketball net to the hook on the rims.It only takes a few minutes to install! ●Our Anti-Whip, Anti-tangle technology helps prevent our nets from getting tangled with the rim whenever the ball goes in the hoop, while provide that sweet swish sound of that perfect shot.