TOP C-BGS-664641 Top #10 Envelopes, 4-1/8 X 9-1/2", Security, White Tinted Paper, 24 Lb, 500 Count - Gftf10Nwt Standard 10 Envelope ( 4 1/8 X 9 1/2) 500 CT per Box Security Tinted Gum Flap Closure Heavy 24lb White Paper - Made in USA