Business Source Economical No. 10 Window Envelope - Single Window - #10 - 9 1/2" Width x 4 1/8" Length - 24 lb - 500 / Box - White Overhead Projectors & A/V Equipment professional grade punched metal with

professional grade punched metal with decorative urban style slotted pattern

Features:Versatile

vandal-resistant mounting

Features: Casters

They are both biodegradable and compostable

Business Source Economical No. 10 Window Envelope - Single Window - #10 - 9 1/2" Width x 4 1/8" Length - 24 lb - 500 / Box - White Overhead Projectors & A/V Equipment professional grade punched metal withNo. 10 window envelopes feature an economical side seam and a window with film cover. Oyster white, corrugated, expandable box provides easy access to envelopes. 24 lb. General Information Manufacturer: Business Source Manufacturer Part Number: 42251 Brand Name: Business Source Product Name: Economical No. 10 Window Envelope Marketing Information: No. 10 window envelopes feature an economical side seam and a window with film cover. Oyster white,