The product is a set of 150 white poly mailers envelopes bags, measuring 12” x 15.5”. Made of polyethylene, these envelopes are designed in an envelope shape and come from the brand LUX. They are ideal for packing and shipping various items, providing a secure and efficient way to send documents, letters, and small items. With a neutral lining and a durable material, these poly mailers offer a convenient and reliable option for businesses and individuals looking to send items securely and efficiently.