Introducing our 38mm Child Resistant Round Matte Black Caps with PE Liner – the perfect pairing for your 9ml Round Glass Concentrate Container. Designed for both security and style, this cap ensures child-resistant protection while adding a sleek matte black finish to your containers. The 38mm size provides a secure fit, and the PE liner guarantees freshness, making it an ideal choice for safeguarding and preserving your valuable concentrates. Elevate your storage experience with the 38mm Child Resistant Round Matte Black Cap – where safety meets sophistication.