Polyester Blend STURDY & MODULAR DESIGN – Solid panel construction for a durable, customizable storage solution that adapts to your needs EXPANDABLE STORAGE CAPACITY – Stack with additional bins (sold separately) to maximize your storage space. EASY ORGANIZATION – Two wide-mouth bins make it simple to separate and organize toys, crafts, and more EASY TO CLEAN – Wipe clean as needed and dry thoroughly for easy maintenance. SPACIOUS DIMENSIONS – Overall unit measures approximately 37.25 inches L x 19.25 inches W x 17.125 inches H to fit in various spaces.