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 New Material: PVC + ABS + Glass Tube + Sand Optional Type: 3 mins Yellow, 10 mins Green, 20 mins Orange, 30 mins Red, 60 mins Blue Size: approx. 8.2 x 16cm / 3.23 x 6.30inch Weight: approx. 239~258g Package Included: 1 x Hourglass Note: 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. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1High grade plastic material for shell, which is much safer than the glass one 2Can be used to timing roughly when cooking, playing games, exercising, etc 3Different color stands for different time, sand glass of 3/10/20/30/60 minutes are available 4Fine appearance design, suitable for home or office display, also a meaningful gift for your beloved one 5It's a creative gadget which reminds you of cherishing time