Premium 110 Pack White A1 RSVP Envelopes - Envelope dimensions are 3 ⅝ X 5 ⅛ inches. Can comfortably hold 3.5x5 response cards and inserts. Perfect for weddings RSVP cards, thank you cards, birthdays, baby showers, graduations and all sorts of party invitation cards. Stuff the envelopes with photos, cards or whatever else you need. Effortless Self-Seal - Gone are the days of licking yucky glue! Simple Peel & Seal. Saving you time and effort. No more awkward paper cuts on your tongue - Ouch! Laser & Inkjet Compatible - Perfect envelopes to print on. Perfect size and weight, never worry about smudging or having the envelopes engulfed by your printer. Our envelopes are designed to be printer friendly with all printers. Guaranteed Privacy - 120 GSM - 32lb Bond/80lb Text - 32lb Bond is similar to having two pieces of standard printer paper together. Not too thick, not too thin, just right! Envelopes are thick enough to prevent transparency. You can stuff the envelopes with whatever bright color cards you want without having to worry about the contents of the envelope being exposed. Sensei Supplies - For True Envelope Connoisseurs. Save costs and get the best value for your money now. The benefit of all the time saved and the professional look easily justifies the cost of our product. When you order today, you're protected by a 60-day, no questions asked money-back guarantee and world class customer service!