It's a value pack of 50 high quality white 10gsm envelopes and 50 white 230gsm greeting cards. Greeting cards are blank for you to personalize. Great for birthdays, weddings, parties, holidays, corporate events, banquets and showers. Envelopes are gum sealed--to seal simply apply water to edges of flap and stick. Note: printers are not compatible with the greeting cards due to the glossy finish while the envelopes are fully inkjet and laser printer compatible.