#10 Regular Envelope - Astrobright - 24# Pulsar Pink (4 1/8 x 9 1/2) - Business Color Series (Pkg of 100) A Quantity of 100 - #10 Astrobright Pulsar Pink Envelope Made with 24# Astrobright Pulsar Pink Paper. FSC Certified. - Standard Gummed Flap. Great for mailing Invoices, statements, catalogs or announcements. This envelope may be sourced from any one of a number of top brands. Ships via Priority Mail