UPGRADED 4 LEVELS FLEXIBLE ADJUSTABLE: You can adjust the height of this double deck shoe rack according to the shoe size in 4 levels. You can simply stretch the angle and make enough space for your larger shoes. 1. It can be used in various types of slots for men, women, teens girl, boy kids and baby. 2. It fits dress shoes, ballet flats, bulky tennis shoes, ankle boots, hiking boots, pumps, heels (3-5") and sneakers (Size from 11 to 13). NON-SLIP DESIGN & ENVIRONMENT FRIENDLY MATERIAL: double shoe rack organizer is made of high quality and non-slip design. Our adjustable shoe organizer is specially designed with top flaps at both sides, and with great grip behind, along with little bumps on the surface to prevent the upper shoe from slipping off. EASY TO USE & CLEAN & MOVE: shoe stacks does not need any assembling. Just set the perfect height and stack your shoes (Release button in back). This rack space saver will keep all your shoes well organized and neat with no effort. You can find your shoes easily and keep your whole day in a good mood.