Reliable to use: you can get 4 pieces arm badge holder; The armband badge clip is made of soft PVC material, which is waterproof and reliable; No matter you work or outdoor sports, falling on the ground in case of water will not affect your ID or business card Size information: the inner diameter of the ferrule is about 10.5 x 6.7 cm/ 4.1 x 2.6 inches, the outer diameter of the ferrule is approximately 11.3 x 7 cm/ 4.3 x 2.8 inches, the armband size is approximately 37 cm/ 14.6 inches, suitable for most name tags, ID cards and credit cards, and will not take up a lot of storage space Adjustable arm strap: the ID card and badge holder adopts hook and loop buckle design; You can adjust it according to your arm without slipping; It is more convenient to wear and disassemble Transparent color design: the surface of the arm card cover is transparent, and you can clearly see the card or name inside, so that you can easily display your business card and provide convenience for your work or daily life Wear on the arm: this is an ID and badge holder that can be worn on the arm; It is light, does not increase the burden on the arm, and brings you a convenient use experience; Please wear it correctly as shown in the figure: the reflective strip is outside and the barb is pasted inside