The ProLine Poly Bubble Mailers are a high-quality shipping solution designed for efficient and secure mailing. Made in the United States, these 12×6 mailers are perfect for sending small to medium-sized items. With a classic design and reliable construction, these mailers are ideal for businesses and individuals looking to protect their shipments while ensuring they arrive on time. Each mailer is durable and lightweight, making them a convenient and practical choice for all your shipping needs.