Weathertight lid seals out moisture, dust and pests to protect contents Strong buckle latches keep lid securely closed during transport or stacking Stackable with unique lid and base grooves to lock bins together when stacked to save space Made in USA from BPA-free polypropylene plastic; Certified 'Recycled' by SCS Global Services Each bin measures 23.6 x 17.75 x 14.5 in. and holds 74 quarts