4 Pack Fresnel Lens Credit Card Magnifier Set for Fire Starter or Reading, Plastic Magnifying Glass Cards with 4 Pouch Covers EFFICIENT- See small print like a hawk through these magnifying cards with up to 4x magnification A GREAT VALUE- Economy pack of 4 cards at a big savings over the competition MADE TO LAST- protective flex pouch for each card prevents wear and tear CONVENIENT- Wallet Size! 4 pack is great for keeping a spare in every room! MANUFACTURER FACTORY WARRANTY- One year warranty, MY DESK COMPANY (TM) will replace any parts that are damaged due to defect during the warranty period.