nielsen Conservation Picture Mount Black 30x40cm to fit Image Size 20.5x29.5cm (also for A4), Set of 5, Acid Free (pH Neutral) Protective Photo Mount, Smooth Surface

MUSEUM-QUALITY PHOTO MOUNT – Protect and showcase your photos, prints, and documents with this nielsen conservation-grade picture mount, designed to highlight your artwork and create a stunning display. BEVELLED EDGE FOR PROFESSIONAL LOOK – Features a 45° angled edge that draws attention to your photo, providing depth and a gallery-quality framing finish. PRESERVE YOUR MEMORIES – 1.5mm thick mount board keeps photos from touching the glass, preventing damage from humidity, dust, and airborne particles. ACID-FREE AND AGE-RESISTANT – Made from 100% alpha cellulose, buffered with calcium carbonate (pH neutral, lignin-free) for permanent protection against yellowing and deterioration (DIN ISO 9706 compliant). MADE IN GERMANY AND FSC CERTIFIED – Trusted for over 40 years, nielsen delivers premium, high-quality picture mounts and frames (FSC license C021405) for lasting, professional results.