Designed to provide static protection for ESC-sensitive electronic devices, these open-end static shielding bags are made of multi-layer LDPE to guard against charges and moisture. Bags are transparent and heat-sealable for secure closure; closures compatible with bag tape, heat sealer or twist tie. Not intended for consumer use; intended for commercial use only. Primary material: Low-Density Polyethylene (LDPE, #4). Quantity: 100 per case. Size: 6 in. x 4 in. Antistatic, moisture resistant, non-opaque, multi-use bag type. Suitable for protecting electronic components during handling, storage, and shipping.