acrylic sand timer ,size :90*18 mm, meterial:acrylic+GLASS, time can do 30s- 5 mins acrylic sand timer ,size :90*18 mm, meterial:acrylic+GLASS, time can do 30s- 5 mins ,.be 4/5 mins based on customer requiredPacking :1pcs/oppbag 300pcs/ctnMEAS:43*28*19cm NW/GW:10/11kgcustomer design logo printing on timer is welcome. acrylic sand timer