... sizes available 4. good quality and low price Aluminum screw cap1. Anodized aluminum caps, a plastic in side,many sizes are available ... *13.5mm, 66mm*14mm, 50.5mm*13.5mm, etc2. Anodized aluminum caps for cosmetic packing, wide Mouth, Round, bottles.3. Welcome ... picture as follows The PE pad inside the cap. nature silver aluminum screw cap