The product is a 4-pack of Sailor Moon-inspired thumb grip caps designed for Nintendo Switch Joy-Con controllers. The colorful multicolor caps are inspired by the popular anime series Sailor Moon and are specifically tailored for the Nintendo Joy-Con model. These grip caps provide an ergonomic and comfortable grip for the controllers, enhancing the gaming experience for fans of the show and Nintendo Switch users alike. Perfect for adding a touch of personality and style to your gaming setup.