There are 4 Pack of Multi Purpose Hooks.Stroller Hooks can be installed horizontally or vertically to work with any type of stroller handles. It can be installed in second and be swiveled by 360 degree.It's very useful. - Push and steer your stroller correctly - Easily maneuver over hill and dale, sidewalks and pathways - Securely carry diaper bag, purse, clothing and more without hitch or hiccup - Address your child's moment-to-moment needs instead of your freightSan Song Company