AirnDefense 4 x 7 inch Kraft Bubble Mailer Padded Envelopes – 15 pcs is a product that consists of 15 padded envelopes made of kraft paper. The envelopes are designed to protect the contents during shipping and handling. The bubble lining provides extra cushioning to prevent damage to fragile items. The envelopes are 4 x 7 inches in size and are suitable for a variety of small items. The Air N Defense brand is known for its quality packaging products.