• SMALL protective sleeves for small 3/8 - 3/4" thick box sets. 
• 13-1/8" (open seem) x 13-3/8" - Occasional 1/8" difference in size (tolerance).
• Fits Over 3LP Triple Albums + (12-3/8" x 3/4") (12-3/8" x 5/8") (12-1/2" x 3/8") (12-1/2" x 1/2") + more. 
• 4mil above average thickness. 
• Polyethylene plastic, no flap. 
• Acid free, archival safe protection. 
• Made in USA.
• Amazon's Choice Winner (see pic). 
• Support Sleevie Wonder best w/ multiple items @ checkout ♥