Set of 10 Sturdy Brown Cardboard Rigid Mailers, each measuring 13 x 18 inches. Crafted from top-quality, rigid, and tear-resistant cardboard, these photo mailers are ideal for keeping packages and items perfectly flat during transit. Secure and Reliable. Cardboard mailers feature a self-adhesive closure and tear-off strip, providing a strong seal that won't accidentally open during transportation. Trust in the strong adhesive of rigid mailer to keep contents intact and secure. Easy Packing and Customization. Customize and write on stay flat mailers effortlessly to add a personal touch or important details to shipments. The photo mailer is designed for convenience. Durable and Heavy-duty. Constructed with durability in mind, kraft mailers are well-constructed and heavy-duty. Its 550 GSM density ensures that hard shipping envelopes can withstand the rigors of shipping, providing reliable protection for items. Versatile Solution. Flat mailers are not just for photos; they are perfect for a wide range of small, flat objects. Whether it's artwork, vintage goods, brochures, or watercolor paintings, cardboard envelopes are the go-to solution. rigid mailer card plus mustache fiberboard photo mailers kraft dvd cardboard cassette office print tab lock color shipping folder paperboard flat mailing sleeves envelopes recycled comic book rate magazine packaging envelope board cushioned manila art note catalog trading cd chipboard bend sobres para vintage craft picture paper document hard coin letter stiff ridgid stiff envelopes ridgid mailers stiff mailing envelopes stiff mailer letter mailers stiff cardboard coin mailers ridgid mailer stiff mailers