... rhombus,irregular are the form of shell4.based on mesh ,ceramic,magnesium oxide board,pvc,acrylic, ... /T 30% deposit before production, 70% balance should be paid before shipment Lead time: 10-15 days ... cement Many natural colors and dyed colors can be chosen OEM or OEDM accepted5.Workmanship of shell ... choose best quality shell chips glue shell chips on mesh or board polishing6.Package,Accessory of shell ...