The ProMold PC15 1/2" 50pt Thicker Recessed Screwdown Card Protector is a high-quality acrylic glass card holder made in the United States. This clear screwdown card protector is designed to securely hold standard-sized cards with a thickness of 50 Pt. Its unique recessed feature adds an extra layer of security to protect your valuable collectible cards. With its durable construction and protective design, this card protector is essential for any sports trading card collector looking to safeguard their collection.