Durable Material: Made of durable PVC material, convenient to use. Wear-resistance and not cracking. Stay as new after long term use and won't cracking after fold and the crease will recover quickly. .ID Card Holder Size: approx 100 x 83mm/3.94" x 3.27"(L*W), inner Size: approx 94 x 60mm/3.7" x 2.36"(L*W), suitable for most cards. Package content 10 pieces plastic horizontal badge Id card holders. .Waterproof Clear Holders: double side badge name holders, you can place two name tags or other cards on both sides. Durable PVC material which is waterproof and sealed with strip for protecting cards. .Easy to Use: Plastic card holder for lanyard or badge clips. Card holder is designed with 3 holes with two ways for attaching. You can choose attaching holders through the hole with lanyard or clipping with badge clips. .Widely Uses: Badge ID card holder can attach to neck lanyards, strings, chains, or retractable keyrings, badges clips, name badges, credit cards, driver licenses, perfect for office work, students, school events, etc. .