Zwierzusie is an online pet shop offering food, accessories and everyday essentials for dogs, cats and a wide range of other animals. Its catalogue includes rabbits, small rodents, birds, aquarium fish and terrarium pets, making it a convenient destination for owners with different needs. Shoppers can browse dry and wet food, treats, natural chews, toys, beds, bowls, grooming products, health supplements and transport accessories. The selection also covers species-specific items such as cat litter, rabbit hay, bird feeders, aquariums, filters, terrariums and heating equipment.

A featured service is food sold by weight: the shop says it portions food from original bags and seals it in doypack packaging to help preserve freshness after opening. Zwierzusie sells products from a range of pet brands and provides online ordering, with promotions, new arrivals and product recommendations available through its website. The store advertises fast delivery and free shipping on orders from 149 złoty, alongside a broad selection intended to support pets’ comfort, health and daily enrichment.