#6 1/4 Regular Envelope - 24# White (3 1/2 x 6) - Commercial Envelope Series (Pkg of 50) A Quantity of 50 - #6 1/4 Regular Envelope - 24# White 24# White Wove Paper - Slightly Pointed Gummed Flap Great for mailing checks, letters, invoices, statements, brochures, notes, and more. This envelope may be sourced from any one of a number of top brands. Ships via First Class Mail