Description:Made of soft PVC, it's breathable, sweat and shock absorbent. Unique design of the insole perfectly fits the shape of the foot. It helps to support foot arch through three supporting points. It will effectively correct foot pronation to beautify standing and walking posture of the kids.Features:1. Made of high quality PVC, soft and comfortable.2. Breathable, sweat and shock absorbent.3. Unique design of the insole perfectly fits the shape of the foot, suitable for relieve knee and back pressure when walking or standing for long periods of time.4. Helps to support foot arch through three supporting points, provides good stability and cushioning effect.5. Suitable for X / XO feet, foot valgus and so on. Effectively correct flatfoot to beautify standing and walking posture of the kids.Specifications:Item Type: Orthotic InsoleCondition: 100% Brand NewMaterial: PVC, Breathable CottonColor: As the Picture ShowsSize(cm/inch)Weight(g)XS16 x 6.8 / 6.3 x 2.723S18 x 7.3 / 7.1 x 2.927M20 x 7.8 / 7.9 x 3.1 33L22 x 8 / 8.7 x 3.1 36XL24 x 8.8 / 9.4 x 3.5 41Height: Approx.2cm / 0.8inchSuitable for: Apply to X/XO foot, foot pronation, etc.Package Include:1 Pair of Orthotic Insoles