Maximize your classroom space with smart storage solutions, like our Small Locking Storage Bins with Lids. Featuring easy to open, durable locking clasps, these sturdy and stackable storage containers are great for classroom centers. Use them to store craft supplies, math manipulatives or teacher supplies of any sort, then stack and store on the classroom shelf. Shop our site to stock up on additional sizes in this style. Plastic. (3 pcs. per unit) 8" x 5 1/2" x 4 1/2"