Mary Maxim is an online store for yarn, knitting, crochet, and other creative crafts. Its selection includes yarn in a wide range of fibers and weights, from acrylic, cotton, wool, and alpaca to nylon and polyester. Shoppers can browse Mary Maxim products alongside yarns from brands such as Lion Brand, Red Heart, Bernat, Patons, Caron, and Premier.

The store offers knitting and crochet kits and patterns for projects including afghans, blankets, sweaters, baby items, fashion accessories, and home décor. Its catalog also includes dolls, craft kits, needles, tools, books, puzzles, and yarn bowls. Patterns cover projects for different skill interests, with options such as vintage designs and downloadable patterns. Mary Maxim also features designs from independent creators, including MJ’s Off the Hook, TL Yarn Crafts, and Nicki’s Homemade Crafts.

Customers can shop new arrivals, popular products, and clearance items through the online store. The site also provides order tracking, shipping and delivery information, returns guidance, and customer support resources.