Transform your trading cards with Prismatic Defender® Holographic Card Sleeves! Each package contains 100+ easy-shuffling card sleeves layered with hologram foil. Card sleeves can prevent bent corners and damage, dust, water, and fingerprints when using or storing your favorite trading cards. They're a necessity for all levels of players! The hologram foil will shimmer and produce 3D patterns in a rainbow of shifting colors as your angle of view changes.