Ultra-transparent welded strips provide ideal protection by completely covering the inserted collector's items. Available as one-sided clear GRANDE C sheets for viewing from front and back or double-sided black GRANDE S sheets for double capacity. Both are offered with welded strips in various divisions. Black interleaves provide for an elegant back drop or help with content organization. Archival quality: 100% free of chemical softeners and acids. Compatible with all standard 3-ring or 4-ring binders.