Measured to Perfection: Precisely designed to snugly fit standard car collections of Hot Wheels and Matchbox, holding cards up to 6.5" x 4.25". Ultra-Clear Optics: Enjoy a 4K UHD crystal clear display with 92% light transmittance, ensuring your collectibles are showcased in their full brilliance. All materials and coatings are optimized to prevent yellowing over time. Upgraded Snap-Lock System: The satisfying snap fit from our upgraded Snap-Lock system ensures your cases stay securely closed, adding extra protection. Impact-Guard Protection: Featuring 30mil (0.8mm) high-grade, impact-resistant material, our cases provide enhanced durability to keep your collectibles safe from bends, scratches, and dents.