These 60-minute sand timers add a modern touch to your office, desk, or bookshelf. Made of clear hand-blown glass with gray sand, they combine function and art for an elegant, eye-catching display. Details: Clear with gray sand 4.25" x 4.25" x 11" 1.30 lb.Set of 2 Three-layer and threaded design, with a 60-minute timing capacity Hand-blown borosilicate glass for superior durability Glass transparency reveals clear sand flow Easy to clean Made of 100% glass Multifunctional Use: perfect for desk decoration, kitchen timing, or office assistance