Stock up on your essential supplies with these Quality Park Envelopes. They are made of heavy-duty 32-lb kraft paper and are easy to use. They are rugged holding up to normal wear and feature a reinforced clasp design and deep gumming on the flaps for a secure seal. They are well-suited for inter-office use school mailings and more. They are available in a convenient 100-count box. Other sizes are available and are sold separately.