Wholesale Acrylic Timer . Material: ABS + PS + glass beads . Size : 6.5 x 5.2 cm . Sand color : red / white / green / blue / custom . Logo : silk screen . Good gifts for souvenir This is sand box paper weight. The sand flows down from the hollow. After a while the words or picture appears. Then you turn it over, and the sand will flow again. Kids like it very much. It would be a pretty gift. Product Image Company IntroductionWholesale Acrylic Timer website:http://www.skyringe-craft.com/hourglass/acrylic-timer/