České kartičky is an online retailer focused on collectible sports cards and accessories, with a catalogue spanning Czech, Slovak and international leagues. Its selection is particularly extensive in hockey, including cards from the Czech and Slovak leagues, national teams, the NHL, KHL, and competitions in countries such as Germany, Sweden, Switzerland and Poland. Football collectors can browse cards featuring Czech and Slovak leagues and national teams, as well as selected international series. The store also lists baseball cards, including releases connected with Czech competitions and European tournaments.

Products are organised into categories such as boxes, packs, complete sets, mini-sets, bulletins, yearbooks and brochures, alongside collecting accessories. The catalogue includes current-season releases as well as cards from many earlier years, offering options for collectors seeking recent series or older issues. Customers can shop in Czech, English or Slovak and choose Czech crowns or euros for pricing. With its broad coverage of sports, leagues, countries and release years, České kartičky serves collectors looking to discover, build and maintain sports-card collections.