Exquisite Wooden Aesthetic: Made from poplar wood, the sand timer combines strength with elegance, enhancing the visual appeal of your sauna while blending seamlessly with any decor. Premium Glass: Crafted from thick, glass material, this sand timer is designed to endure high temperature sauna conditions without compromising performance. 360° Rotatable Feature: Once mounted, the wood sauna sand timer can rotate a full 360 degrees, providing more flexibility and convenience for users if you restart timing. Simple and Quick Installation: The base plate of the hourglass is equipped with screw holes on both sides, allowing for quick and effortless mounting. Get your timer set up in no time! Notice: This sand timer is not a precision timing device, so there is time deviation.approximately ±10%. It is normal that sand sometimes sticks to the glass. You can flick the glass with finger or put them in the sun for a while to solve this situation.