MEASUREMENT: With an outer dimension of 100mm x 83mm and inner space measuring 97mm x 65mm, our holders perfectly accommodate various card sizes, providing ample room for all your identification needs. Each pack contains 100 holders, ensuring you're always prepared. PREMIUM QUALITY: Crafted from top-tier materials, our ID card holders boast unrivaled durability and clarity, ensuring your credentials are always visible and protected. ULTRA THICKNESS: At a robust 30c/0.3mm thick, our holders outshine the competition, offering superior strength and longevity compared to thinner alternatives on the market. VERSATILE USE: Whether it's for bank credit cards, name cards, business cards, or travel cards, our holders offer unparalleled versatility, making them essential for any office environment or personal organization. WATERPROOF AND SEALABLE ZIP: Featuring a waterproof construction and sealable zip, our holders provide added security, safeguarding your cards against moisture, dirt, and other environmental hazards.