the Opal 6 Panel Cap is Made From 70% Recycled Cotton & 30% Recycled Polyester. It is Designed for a Comfortable Fit with a Head Circumference of 58 Cm, & the Metal Buckle Closure Allows for Easy, Secure Adjustments. the Cap Incorporates Cyclo® Recycled Fibres Where They Use Pre-Sorted Waste That Determines the Colour of the Yarn. These Fibres Do Not Only Reduce the Demand for Virgin Resources But Also Exhibit a Commitment to a Circular Life, Embodying the Essence of Reducing Waste & Promoting a Closed-Loop System. Each Cap Also Comes with an Aware„¢ Tracer. This Innovative Feature Allows Users to Trace the Origins & Journey of Their Item Through a Qr Code, Enhancing Transparency in the Supply Chain & Fostering a Stronger Connection Between the Product & Its Production Process. Minimum Quantities Apply.