1.square melamine mug 2.Material:100% melamine 3.SGS,EN71,FDA,EC qualified. 4.Capacity: 650ml 5.Unbreakable&heat-insulated 1.Square melamine mug2.Material:100% melamine3.SGS,EN71,FDA,EC qualified.4.Capacity: 650ml5.Unbreakable&heat-insulated6.the print can be changed to whatever you like.7.OEM order welcome!