Product Description: Keep your 45s factory-fresh. These heavyweight, acid-free inner sleeves are made from pure virgin polyethylene lined with silky-smooth paper, giving records a dust-free, scuff-free ride every time they slide in or out. Sized precisely for 7-inch singles, the round-bottom design prevents corner dents while the ultra-clear finish lets labels peek through for quick ID. Fifty sleeves arrive in a resealable outer bag—ready to archive, DJ or flip with confidence. Key Features: • Archival-grade 3-layer construction: HDPE + acid-free paper = zero static, zero abrasion • Round-bottom fit: no corner bunching or sleeve creep inside original jackets • Crystal front: read the label without removing the disc • 50-count resealable pack—stock an entire crate in minutes • Safe for long-term storage; will not yellow, bleed or transfer chemicals Specifications: Material: Virgin HDPE outer + acid-free paper inner Size: 7-inch / 45 RPM singles (178 mm) Quantity: 50 master inner sleeves Thickness: 80 g/m² paper + 35 µm PE film Packaging: Resealable polybag