30min hourglass size: 14.5 * 8 * 8cm. Weight: 280g. Material: wood and glass and sand. 45min hourglass size: 20.5 * 10 * 10cm. Weight: 475g. Material: wood and glass and sand. 60min hourglass size: 20.5 * 10 * 10cm. Weight: 500g. Material: wood and glass and sand For: Valentine's Day Gifts, Birthday Gifts, Kitchen Cooking, Playing Games or Practice Time, Wedding Gifts, Bedroom or Office or Office, Crafts, Home Decor Ornament, Personal Collection , Classroom, Table decoration, Restaurant, Living room, Reception, Christmas and New Year festival, Coffee table, Bookshelf These sand timers are designed for everyday use and not as a precision stopwatch, with maybe 6% time and size deviations. The speed of sand flow can be affected by temperature and humidity. Please allow little color difference due to the screen brightness and light. Send information to ourCustomer service team BEFORE REVIEW and free replacement in case of broken shipment Choose different colors for different people. The different colors of the hourglass represent a different meaning. Blue hourglass: wisdom, sky, freshness, vitality of life. Purple hourglass: mystery, romance, love. Black hourglass: serious, night, calm. White hourglass: pure and simple. Orange hourglass: no confusion, strong upward mobility, strong social skills. Green hourglass: life, security, youth, peace, freshness, nature, stability, growth To make the hourglass, solid material, high quality borosilicate glass and high-end handcraftes. With its luxury craftsmanship and modern fashion outline, it is exquisite and beautiful, silently records every second. The sand flowing slowly, you can enjoy the good weather and the wonderful memories. And it's a COOL timer because the hourglass makes timing more fun. Sand, shining like stars, makes your space more boring Color: Black Frame with Blue Sand | Size: 30 Minutes About Sand Timer: Symmetrical Cycle Timing Design - The hourglass body is made of two shaped dripping sand balls that drop water and are symmetrical from top to bottom. Fine sand can slowly pass through the connected pores, so you can start calculating from any side, the time is the same. The cycle calculation time can be done after turning it over. The Beauty of Life - Sand, like diamond salt, shines like a star, it is delicate and silky, making your space more boring. Multi-Purpose - Sand counters make it easy to track your work, measure your progress, and prevent burnout. Good to help you control the weather when cooking in the kitchen. This hourglass can decorate your home or store as a decent piece for your fireplace mantel, desk, coffee table, bookshelf, medicine cabinet or personal collection. The hourglass recalls the goodness of the past. The different colors of the hourglass represent a different meaning: Blue Hourglass: wisdom, sky, freshness, vitality of life. Violet Hourglass: mystery, romance, love Black Hourglass: serious, night, calm. White Hourglass: pure and simple. Orange hourglass: no confusion, strong upward mobility, strong social skills. Green Hourglass: Life, security, youth, peace, freshness, nature, stability, growth. NOTE: Free replacement for broken shipping - send the information to ourCustomer service department BEFORE REVIEW and any shipping issues will be resolved soon. Please allow little color difference due to monitor's brightness and light.