Collectidex trading card shipping protectors are designed to perfectly protect a slab case for graded cards in the mail. Simply place plastic card shipping protectors around the case and tape to provide a protected shipping experience. Perfect for card breakers, card sellers, or card grading services. Premium professional-grade collective cards shipping supply protective sleeves are a must-have for breakers or anyone who is sending or shipping cards. Simplify your workflow and avoid cutting cardboard pieces. Collectidex sleeves are strong, thin blanks are made of padded plastic material which is stronger than cardboard chipboard and slim enough to easily fit into a standard envelope. It is thick enough to protect from dings while still being light. The hard surface is designed for use with top loaders, thin holders slabs or raw cards. Directions for use: 1. Place card(s) centered in two protective sheets 2. Seal edges with painter's tape or similar 3. Ship with confidence. Ship with professionalism