JarMerch is an online store offering merchandise and publications inspired by comics, characters, creators, and popular fan communities. Its catalog brings together products associated with titles such as 13 Cards, Altushka for Skuf, Zaychik, and other featured projects, alongside work by independent artists and publishers. Shoppers can browse comics and books as well as illustrated collectibles and everyday accessories, including acrylic stands and keychains, badges, metal pins, stickers, posters, postcards, mugs, notebooks, wallets, tote bags, cushions, and dakimakura covers.

The selection also includes board games and themed gift items. JarMerch features new releases, preorders, and exclusive editions, including books with covers created for the store. Product listings show prices and provide options to add items to a cart or save them for later.

The site also offers a discount system and customer account features, such as a personal profile and favorites list. With collections organized by series, creator, and product type, JarMerch serves fans looking for character merchandise, comics, and distinctive illustrated goods