Features:Made of silicone gel and lintHigh elastic high hardnessHexagonal honeycomb like pattern in the forefoot, , soft and no deformationBackside have size line, you can tailor according to your sizeThe top layer is about 2.2cm while the bottom layer is 1.6cm2 layers for about 4cm upYou can decide to use or remove the second layer according to your moodMaterial: Silicone Gel + LintColor: Blue, greySize: Women's 4-8.5 / 35-39 (adjustable)Length: Approx. 9.6 inch / 24.5cmPackage Include:1 pair of height increase silicone gel insole shoes padsNote: The silicone gel insoles may have some odors, please put it in the ventilated place for hours to release the odor.