These step frame risers are available with in several heights. The tray-shaped frame holders hold most eyewear in place securely.
Dimensions
Solo-3: 3"(H) x 3 1/2" (W)
Solo-4: 4"(H) x 3 1/2" (W)
Solo-5: 5"(H) x 3 1/2" (W)
Solo-6: 6"(H) x 3 1/2" (W)
Solo-7: 7"(H) x 3 1/2" (W)
Solo-8: 8"(H) x 3 1/2" (W)
Solo-9: 9"(H) x 3 1/2" (W)