With a fun design at a great price, Splash Retainer Cases offer long-lasting hinged plastic construction with large front snap and holes for neck cord (not included). Sleek 1 1/8" x 3 1/8" design is big enough to hold most retainers, but small enough to fit into a pocket or purse. 20 vented cases per pack in blue, green, purple or red. Minimum order three packs.