This accessory is for your favorite Simply Tidy cart. It can hold supplies such as crafting tools, markers and more. Made to fit the Lexington, Hudson and Gramercy carts. Details: White 3.5" x 7.7" x 1.8" (8.89cm x 19.5cm x 3.8cm) package size Compatible with Lexington, Hudson and Gramercy carts (sold separately) Plastic