HOURGLASS MEDIUM SIZEDecorative products always add elegance to your home and office environment. You can now feel the mystery of the Sahara desert wherever you want. The inner part is made entirely of glass, while the outer part is made of plastic. You can rotate it 360 degrees, making the liquid inside flow more smoothly and helping it to change shape. If you want the liquid inside to be more fluid, you can add water from the plastic part using a syringe. The product is 7 inches. Product Size: 18 cm * 12 cmVolume Weight 2Package Content1 pc hourglass medium size