The contemporary 3 & 5 minute sand timers in black wood frame measures 5.25"H. The sand timers are made with hand crafted glass globes and are truly stunning. This item is commonly used as an egg and tea timer. The black wood frame is marked with "3 minutes" and "5 minutes" over the appropriate sand timer. The sand timers are filled with white and black sand. This is a very popular item for corporate events and parties. It makes an excellent gift for everyone from the graduate to the executive. Sand timers are aesthetically pleasing ornaments, rather than accurate timepieces. These sand timers are usually accurate to within 2 minutes.