100 high-quality rigid backing boards for protecting comics from bends and creases.

• 100% acid-free certified
• Excellent thickness and rigidity
• Minimum 26 pt. high-density boards, fewer fibers
• Minimum 7% calcium carbonate buffering
• Full high-quality coating on the front side
• Precise cutting & bright white finish
• Backing board dimensions: 193 x 266 mm
• Backing board weight: 400 g/m²
• Designed for long-term archiving
• Fits in Ultimate Guard Golden Size bags

Important note: Due to the production process, a slight curvature of the product cannot always be avoided. A deviation of 3mm is within tolerance limits and therefore is not considered a defect. Careful counter-bending of the cardboard can correct any curvature that has occurred.