The product is a set of 100 bubble mailer envelopes designed for mailing and shipping purposes. These small business supplies are lightweight and cushioned, making them ideal for safely delivering small items or samples. The unit type is specified as “Unit,” indicating that each purchase includes a total of 100 envelopes for packaging and shipping needs. Perfect for businesses looking to securely send out items to customers or partners, these bubble mailer envelopes offer a reliable and efficient way to transport goods.