11" x 50' ROLL: Integrated slide cutter for creating custom size bags stored in a box that doubles as convenient roll storage BPA FREE: Tear-resistant multi-layer material that is BPA, PVC, and pthalates free DURABILITY: Multi-layer material and dual-sided cross vented air channels divert flowing liquids REDUCES FOOD SPOILAGE: Helps maximize storage space and prevent freezer burn & food spoilage COMPATIBILITY: Compatible with NESCO and other brands of vacuum sealers