Features:High grade plastic material for shell, which is much safer than the glass one.Can be used to timing roughly when cooking, playing games, exercising, etc.Different color stands for different time, sand glass of 3/10/20/30/60 minutes are available.Fine appearance design, suitable for home or office display, also a meaningful gift for your beloved one.It's a creative gadget which reminds you of cherishing time.Specifications:Condition: 100% Brand NewMaterial: PVC + ABS + Glass Tube + SandOptional Type: 3 mins Yellow, 10 mins Green, 20 mins Orange, 30 mins Red, 60 mins BlueSize: approx. 8.2 x 16cm / 3.23 x 6.30inchWeight: approx. 239~258gPackage Included:1 x HourglassNote:1.This hourglass is not accurate timer, there may be 10% error.2. Please allow 0-2cm error due to manual measurement. Thanks for your understanding.3. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard..