No batteries required

This pebbles set are natural lightly polished for smooth effect

*Layers will change elevation by 1 mm with simple removal of one layer per 1mm

so you can enjoy endless fun no matter where you are

which makes cleaning so easy whether the tray is dry or wet

3 Pairs Insoles For Flat Feet, Gel Arch Liner For Plantar Fasciitis, Sticky Arch Pads Color:Transparent No batteries required3 Pairs Insoles For Flat Feet, Gel Arch Liner For Plantar Fasciitis, Sticky Arch Pads ARCH SUPPORT: Ergonomic arch support design and cushions relief from pressure and feet pain for flat feet, plantar fasciitis, high arch or other arch issues, fits your foot. CORRECT FLAT FEET WITH EASE: Insole gently repositions the sole of the foot for comfortable lifting throughout the day. MATERIAL: Made of durable and soft PU gel and comfortable and elastic. It