CLASSIC DESIGN - Formal Paneled Thick Border Flat Note Cards work for ANY occasion. Due to their simple yet classic design, these cards can be used for anything from thank you notes to thinking of you notes, correspondences & more TRADITIONAL SIZE - Our flat note cards measure 4 1/4" x 5 1/2" and come paired with an A2 white booklet style flap envelope. Meets USPS and international postal standards for mailing! PRINTABLE - This size is printable on most printers and cards are packaged flat so you can print a message on the front and back from your home or office printer. HIGH QUALITY & RESPONSIBLY MADE - Our cards are made with both our customers and environment in mind. These Hill Valley Greetings Cards are made from high-quality, heavyweight, smooth white cardstock that is made from recycled materials. We pair these cards with 28lb bond paper envelopes and package them in a compostable bag HELPING OUR COMMUNITY, ECONOMY, & ENVIRONMENT - 10% of proceeds from all purchases are donated to local and national charities! Plus, all our products are Designed, Printed and Hand Assembled in the USA & Made from Recycled Paper WE DONATE - 10% of proceeds from all purchases are donated to local and national charities!