Package Content: you will receive 30 pieces of transparent acrylic card holders, the transparent design allows you to see the information on both sides of the cards, they are necessary for you to attend various formal meetings Quality Material: these transparent card holders are made of quality acrylic material, no peculiar smell, no heavy metal pollution, reliable acrylic material can avoid the ID card inside from being scratched Easy to Access: the design of the card cover is a thumb slot design, which can easily slide the card up and take out, it is very suitable for people who need to open the card holder frequently, you can use this card holder conveniently Fitting Size: the size of the heavy duty badge holders are about 5.4 x 8.5 cm/ 2.13 x 3.35 inches, the suitable size is convenient for you to insert various cards into them, they are very suitable for sending to hospital staff, employees or police Multiple Usages: these transparent card protectors are designed to be small and cute, which are convenient for you to carry when you go out, you can put a variety of certificates and cards, such as ID cards, exhibition cards, bus cards, hotel key cards, cruise cards, office key cards and so on