Reliable to use: you get 4 pieces of ID card wristband holders; The wristband ID clip is made of soft PVC material, which is waterproof and reliable; Whether you are working or doing sports, falling on the ground in case of water will not affect your ID or business card. Size information: the inner diameter of the sleeve is about 10.5 x 6.7 cm/ 4.1 x 2.6 inches, the outer diameter of the sleeve is about 11.3 x 7 cm/ 4.3 x 2.8 inches, the size of the wristband is about 37 cm/ 14.6 inches, suitable for most name badges, ID cards and credit cards, and does not take up much storage space. Adjustable wristband: The ID card and badge holder has a Velcro design; You can adjust it to your arm without it slipping; It is more convenient to wear and install. Transparent color scheme: the surface of the wristband ID card holder is transparent, and you can clearly see the card or name inside, so you can easily display your business card and bring convenience to 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 lightweight, does not increase the burden on the arm, and brings you a comfortable user experience; Wear it correctly as shown in the picture: the reflective strip is on the outside and the drill is pasted on the inside