Card Shipping Envelopes 510 Pack - 7 x 4.35 Inches Trading Cards Self-Adhesive Black Mailers, Perfect Fit for Ding Defend Protectors Semi-Rigid Sleeves & Toploaders - Hobby Mailing Supplies

Optimized for Card Shipping - These baseball card shipping envelopes are designed to fit trading cards in semi-rigid CS-1 sleeves, top loaders or Ding Defend protectors. They measure 7 x 4.35 and accommodate standard 4" x 6" shipping labels. Premium Lightweight Custom Material - Crafted from engineered, premium materials, each envelope is light weight yet durable - essential for sports card shipping supplies. An ideal balance of functionality and efficiency. Self-Adhesive & Machine-Friendly - These flat mailers include a self-sealing glue strip and custom-flat-glued sides for sorting machine compatibility. No moisture needed, just fold, seal, and ship with confidence.

Value Pack for Scalability - This 510-pack provides a great value for high-volume sports card packaging needs. Ideal for resellers, card breakers, dealers, and shops looking to streamline operations. Professional Appearance & Protection - These striking black mailers add polish to shipments and pair well with sports card protectors for enhanced presentation. Ideal for businesses seeking consistent, secure, and scalable delivery