Merchandise: Glass test tubes Capacity: 30ml 50ml and 100ml, 60-200ml also is possible customization(20ml/30ml/60ml/200ml/etc.) Material: High borosilicate glass Shape: Tubular Color: Transparent Cap: Good sealing screw cap Surface/Texture: S/S, H/S, marble coating, holographic coating, metalizing, labeling,color spraying, etc. OEM: Strong support sample processing, brand customization Pack: Carton with partition board, export pallet or other safty prevention MOQ:  One carton is also acceptable for bottles in …