Features: Craft from durable plastic and powerful magnets, these magnetic race bib clip are light weight yet strong, ensuring a reliable hold throughout your event. Experience hassle frees race day preparations with our race bib clip, designed to securely hold your running number without damaging your sportswears. Perfect for long distances race, outdoor activity, or running sport training, these magnetic race bib clip allow for quick and easy bib attachments. With a fashion designs, these magnetic race bib clip complement any athletic gear while offering convenience and efficiency in every use. Ideal for running runners, triathletes, and cycling enthusiasts who need a dependable solution for attaching race number. Specifications: Materials: Plastic Color: As The Picture Shows Package Weight: approx.51g Outer Circle: approx.31mm/1.22in Inner Circles: approx.28mm/1.10in Package Includes: Set of 4 Pair Race Bib Clip note: Please allow 1-3mm error due to manual measurement. Please make surer you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual color to the item. Thanks!