The height increase insoles can be inserted into shoes, make you taller instantly. It is made of high quality PU material, safe and durable. The insoles are not only improve your confidence in your height but also protect feet and make your feet comfortable. Features: 1. Made of superior quality PU and velvet material, which is soft, durable and comfortable. 2. PVC bottom, wear resistant and eco-friendly, good tear strength and elasticity. 3. U-shaped airbag, detachable shock absorption design, relieves heel pressure. 4. Numerous venting holes, good circulation of air currents, make your feet feel cool and comfortable. 5. Sweat-absorbent insoles won't cause foot odor, it can be tailored according to your needs. 6. 4 layers for you to choose from, different layers correspond to different heights, super invisible. Specification: Item Type: Height Increase Insoles Material: PU Color: Black Quantity: 1 Pair Optional Type: 01# 1 Layer, 02# 2 Layers, 03# 3 Layers, 04# 4 Layers Height: 1 Layer: 3cm / 1.2inch, 2 Layers: 4.5cm / 1.8inch, 3 Layer: 6cm / 2.4inch, 4 Layer: 7.5cm / 3.0inch Length: Approx. 27cm / 10.6inch Package Weight: Approx. 229-472g Package List: 1 * Pair of Height Increase Insol e s (Sole pattern random) .