Cheap Cbd Cartridge GT10-A is child proof cbd cartridge,the diameter is 10.0mm,slim shape,nice appearance,paint different color tip,print logo,will looks beautiful. The Mouth tip is screw type,made by POM,it is a kind of plastic,Hardness like metal,and passed the heavy metal testing.100% lead free. 100% No leaking. This hardware is 1.0ml,child proof cbd cartridge.the oil housing is glass, Transparent oil cups look cleaner,Show me your oil video,we will select best oil intake hole size to fit for your oil. The Base O-ring for adjust airflow,If you don鈥檛 like big vapour,can adjust the airflow hole become small. For the bottom,there is a screw cap to protect cartridge,Allows individual atomizers to stand upright. For OEM, you can custom paint color, print logo, etching batch number/logo or UV colorful UV printing,looks nice. For shipping,No Worry about the custom clearance, we offer shipping by air/sea with Tax and delivery to your office. We are responsible for each of our products we made.No worry about quality, we are a 12years e cig factory in China. Size (L x W x H) 10 x 53.7 mm Volume 1.0ml child proof cbd cartridge Oil Intake hole 4 holes, 1.6mm hole size (custom hole size) Thread 510 Thread Resistance 1.4ohm Color Wood (Mouth Tip), Transparent (glass) Silver (Metal) Feature 1. Colorful Mouth Tip, Round, Screw on 2. 1.0ml volume 3. Ceramic Heating Element 4. SUS material, Lead free 5. Thread Protector, pleasing to the eye and no leaking Package 100 pieces of cartridge body each Tray 100 pieces mouth tip each Tray Packed in a BoxCheap Cbd Cartridge website:http://www.greentimeindustrial.com/cartridge/cbd-cartridge/