Katana Collectibles is an online retailer specializing in protective cases for collectibles. Its products are designed for specific items and sizes, helping collectors protect and display pieces across a wide range of interests. The catalog includes protectors for action figures, trading cards and games, toys, video games, controllers, books and magazines, movies, and other collectibles.

Examples include cases for Pokémon products, Nintendo Switch editions, NECA and Bandai figures, WWE figures, and vintage Star Wars items. The store also carries protectors for unusual or specialty packaging, such as a Scrabble ZX Spectrum game and a Johnnie Walker Blue Label bottle. Alongside its own Katana Collectibles products, the site features items from brands such as Bandai and A24.

Customers can browse by category, brand, or protector size, and the site offers a custom-sized request option for items that may not match standard listings. Additional resources include how-to videos, FAQs, and a blog, with account, wishlist, gift certificate, and shipping and returns information available through the store