Specification Name:Height Max Socks MaterialSilicone Polyester Color: blue, pink, gray, black Available sizes: 2.5/3.5cm (0.98 inches/1.37 inches) DESCRIPTION PREMIUM QUALITY MATERIAL: Made of durable and comfortable silicone, super stretchy, softer and more comfortable, breathable and odorless. With small breathable holes. INVISIBLE DESIGN: No one will notice that you are wearing height increasing insoles when you wear invisible height increasing socks, no one will notice your shoes, very natural. Lengthen your legs by 1 inch, 1.4 inches (2.53.5 cm). REPEATABLE WASHABLE: Support hand washing, dry naturally, reusable and will not be deformed. Soft silicone material protects the heel and provides good shock absorption. REDUCE FOOT PRESSURE: Heel protector cushion insoles provide shock absorption and anti-slip effect to reduce foot aches and pains, and the perforated design keeps your feet breathable and makes them more comfortable. WIDE APPLICATION: The heel lift pads can be worn with any shoes, boots or socks. You can wear our height increase insoles for job interviews, dates, parties or daily life. Suitable for leg length difference and height increase. Product List: 1 Pair* of height increase socks