50 Pack 8.7x4.3x1 Shipping Boxes Corrugated Cardboard Mailers Self Locking Kraft

Shipping slim merchandise like smartphones, jewelry, or phone cases in bulky cardboard boxes wastes packaging materials and increases carrier postage rates. Designed to provide a tailored, low-profile fit for small retail goods, this 50 pack 8.7x4.3x1 shipping boxes corrugated mailers bundle delivers lightweight, professional packaging for daily order fulfillment. Constructed from 1.8 mm thick corrugated paperboard with pre-scored fold lines, each self-locking die-cut box folds together in seconds with double-walled side reinforcement to protect delicate items throughout transit.

1.8 mm Corrugated Protection & Self-Locking Tab Design

• Ultra-Slim 8.7x4.3x1 Proportions: Sized for shipping smartphones, phone cases, jewelry, watches, cosmetics, sunglasses, cables, and small electronic accessories without wasted space.
• Reinforced Double-Wall Sides: Die-cut aircraft-style flaps fold inwards to form rigid double-layer side walls that resist edge crushing and transit impacts.
• Quick Tool-Free Assembly: Pre-creased scoring lines allow you to fold the carton into shape and tuck the front locking tabs securely into place in seconds without glue.
• Lightweight Postal Savings: Ultra-low tare weight keeps your shipments in the lowest postal pricing tiers across USPS Ground Advantage, Priority Mail, and UPS.
• Space-Saving Flat-Packed Storage: Ships flat in a 50-piece bundle to keep your packing bench, home office, or warehouse shelves organized and clutter-free.
• 100% Recyclable Natural Kraft: Clean, unprinted kraft paperboard provides an attractive unboxing experience while being fully recyclable.

Product Specifications

Product Type: Self-Locking Die-Cut Corrugated Shipping Mailers (Aircraft Box Style)
Quantity: 50-Pack Bundle
Interior Dimensions: 8.7 in. Length × 4.3 in. Width × 1 in. Depth (22 cm × 11 cm × 2.5 cm)
Board Thickness: 1.8 mm Single-Wall E-Flute Corrugated Paperboard
Closure Style: Front Tuck-in Locking Tabs with Double-Wall Folding Sides
Material Structure: 100% Recyclable Kraft Corrugated Cardboard
Colorway: Natural Kraft Brown / Unprinted
Assembly Required: Pre-scored fold-and-tuck setup (No glue required)
Recommended Uses: E-commerce parcel fulfillment, smartphones, phone cases, jewelry, cosmetics, sunglasses, small retail items

Package Includes

• 50 x Flat-Packed 1.8 mm Corrugated Cardboard Literature Mailer Boxes ($8.7\times4.3\times1\text{ in}$)

Stocking this 50-pack of 8.7x4.3x1 inch self-locking corrugated mailers streamlines your daily packing workflow while keeping small outgoing orders protected and professional.