The product is a set of 60 kraft paper bubble envelopes measuring 15*20cm, designed for mailing and shipping purposes. These envelopes are strong and durable, providing protection for items during transit. The kraft paper material ensures that the contents inside are secure and well-protected, making it ideal for businesses that need to ship items regularly. Perfect for sending small to medium-sized packages, these envelopes are a practical and reliable option for shipping needs.