Product Name: RNOX Master One-piece Bicycle Riding Helmet, customizable logo, OEM available. Model R-005, adult helmet, suitable for both men and women. Size L/one size fits all, head circumference between 56-62cm, head width 17.5cm, with an adjustment knob to adjust the head circumference. Material: EPS foam + PC sheet, integrated molding; 20 pieces per box, outer box dimensions: 64*53*47cm, volume: 0.16m³, box weight: approximately 7.5KG. Weight is about 260g. RNOX is a new high-end bicycle helmet brand under the Shenzhen Master Sports Products Co., Ltd. The brand is committed to creating a comprehensive product supply chain model for consumers and traders. The brand is built on the principle of "Style Meets Safety." The company adheres to the concept of providing high-quality, innovative, stylish, and comfortable products for every consumer who loves cycling and healthy living, spreading a healthy and fashionable cycling culture, and focusing on the mid-to-high-end cycling equipment sector. Relying on online domestic sales platforms such as Alibaba wholesale sites, Taobao, and foreign trade sales sites like AliExpress, eBay, and Amazon, we are committed to designing, producing, and selling unique, cutting-edge cycling products under our own brand, and have established good cooperative relationships with many powerful manufacturers. The RNOX brand pursues small-scale beauty, avoiding following trends and being repetitive; each product is crafted with care for consumers.