Sterling Protector's Mainline Model 17201 arrives in a 12-pack, purpose-built to fit the standard 6.5" x 4.25" Hot Wheels mainline card size with a secure, crystal-clear fit. This is the exact protector More Than Diecast includes with every chase and RLC purchase, trusted by collectors to keep cards crisp and display-ready for the long haul. The 12-pack is the perfect starter option for collectors looking to protect a handful of key mainline singles. 12-pack — Sterling Protector Mainline Model 17201 Exact fit for 6.5" x 4.25" Hot Wheels mainline card size Crystal-clear hard case construction — protects without obscuring card art The same protector included with every chase and RLC purchase at More Than Diecast Browse our Hot Wheels collection to pair with your new protectors