Check the listing for details. 16Set Stainless Steel Cap Buckle for Baseball Cap Strap [Black]. Condition: New. Listed at 17.37 USD. PRODUCT INTRODUCTION:1. Features&Applications:The adjustable cap buckle is made of stainless steel, with electroplating on the surface, which is corrosion-resistant, not easy to rust and deform, has good waterproof performance and is durable. With fashionable color, the adjustable design can firmly fix the hat in the wearing position.Our baseball hat adjustment buckle closures are designed to adjust hat sizes (baseball caps, duckbill caps, trucker caps, etc.) for a secure fit. Beyond hats, it also works as a versatile DIY accessory for belts, and backpack straps, blending functionality with stylish appeal.2. Specification:* Material: Stainless Steel* Color: Black* Adjustable Buckle: 2.1×2.1×0.6cm closed size* Unfolded Size: 3.45×1.75cm* Oval Rings: 2.5×1.2×0.5cm, 2.6×1.3cm* Round Ring: 0.9× 0.4× 0.