Product information:
Material Type: Glass
Material: borosilicate glass
Size: sl2001 15-minute medium model, sl2001 30-minute medium model, sl2001 white sand 30-minute high Model, sl2001 black sand 30-minute high Model, sl2001 red sand 30-minute high Model, sl2001 yellow sand 30-minute high model, sl2001 blue sand 30 minutes high Model, sl2001 purple sand 30 minutes high Model, sl2001 30 minutes high Model, sl2002 white sand 30 minutes, sl2002 red sand 30 minutes, sl2002 yellow sand 30 minutes, sl2002 blue sand 30 minutes, sl2002 purple sand 30 minutes, sl2002 black sand 30 minutes, sl2001 60 minutes high (,sl2001 60 minutes high hourglass