The Shellz Easy Glide 1 Pack Of 100 Soft Penny Sleeves is a high-quality product designed for standard-sized sports trading cards. Made of durable polypropylene material, these clear sleeves feature cut corners for easy insertion and removal of cards. With a standard fit and acid-free construction, they are suitable for toploaders and provide a safe storage solution for your valuable card collection. Made in the United States by Card Shellz, these penny sleeves are a must-have for any sports card enthusiast looking to protect and display their cards effectively.