Celebrate the birthday boy or girl with Science. Perfect for chemists, professors, scientists, or those people who wear glasses just to look smarter. (You know who you are...) The card is an A2 folded card (folded size: 4 1/4" x 5 1/2".) 80lb cover weight. Smooth texture, bright white. 100% recycled with 30% post-consumer waste. The envelope is a Kraft Paper Bag European-style pointed flap A2 envelope (4 3/8" X 5 3/4.") 80lb weight. 100% recycled with 30% post-consumer waste. This listing is for one card with envelope. Larger quantities are available. Please contact us for pricing. We can also print your name and a short custom message inside your card for an additional charge of $0.50 per card. If you would like this service, please purchase this listing: http://etsy.me/1lpDJuZ and enter which card you would like along with your message in the "note to seller" box during checkout - and please let us know if your card is shipping directly to its recipient so we know not to enclose a packing slip. \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ Have a lot of birthdays coming up? Try one of these: "HPPY BDy": https://www.etsy.com/listing/125905093/happy-birthday-card-periodic-table-of "BIrThDy BiTcH": https://www.etsy.com/listing/179128207/snarky-birthday-card-periodic-table-of Zodiac Constellation Cards: https://www.etsy.com/shop/theBirdandtheBeard?ref=l2-shopheader-name§ion_id=18448716 \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ This item is part of our Sentimental Elements series of cards. The full collection can be found here: http://etsy.me/1DLy4qN Or Mix and Match 6 for $25: https://www.etsy.com/listing/153819762/buy-5-cards-get-the-6th-free-applies-to \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ Need a science-themed gift to go with your card? Raise a glass to our CHeErS pint glass! https://www.etsy.com/listing/450920958/periodic-table-of-the-elements-cheers-16 All content and designs © 2012-2021 theBird+theBeard