Now you can have the same Sentry Security Closure System for your coin shipments/storage. Made of durable proprietary multi-layer clear 7 mil film with a 3" die cut handle at the top. These bags are easy to use, tampering is easily identified, and they feature the most secure closure available. Choose from the smaller sized bag for half-bag shipments or the larger sized bag for full-bag shipments (bag inlcludes serial number with bar code). Sentry Security bags are approved and accepted by the Federal Reserve.Priced per Case.