The kids' robes are black with a Slytherin house crest and feature green satin-lined hood and lapels. Listings typically state only the robe is included; accessories such as pants, shirts, ties, wands, and shoes are sold separately.

The juniors' women's dress is listed as machine washable and safe for tumble drying. The available kids' robe details do not clearly specify care instructions in the listings.

Commonly excluded items listed are pants, a white shirt, a tie, a wand, and shoes — these items are sold separately.

The juniors' dress is a one-piece styled as a top-and-skirt. The body (top and skirt) is listed as 92% polyester/8% spandex, while the sleeves and collar are made from cotton.

Some robe listings explicitly state they are officially licensed and include the franchise indicia in their product descriptions.

The dress is sized in juniors' women's sizes (e.g., Small, Medium, Large); one listing notes the model is 5 ft 6 in and is wearing a size Medium.