... 30 second,1,2,3,5,10,15 and 30 minutes Colorful Plastic Sand Timer Our products have passed CE,ISO ... and ROHS certification.1,Size:160*70mm2,TImer: ... example ,1 pc in a small box, 100 small boxes in a big box and so on.But if you have ... us.We can according to your request,and modify. About delivery and shipping1,By sea We usually for our ...