100 White Record Mailers 12.5×12.5 12″ Vinyl LP Shipping Boxes Variable Depth
Length × 12.5 in. Width (31.75 × 31.75 cm) Adjustable Depth Options: 0.5 in. or 1.0 in. Adjustable Depth Scoring & Secure LP Protection. Adjustable Depth Options: 0.5 in. Pre-Scored Heights (1.27 cm / 2.54 cm).