[HIGH-QUALITY PP MATERIAL]- The bin on wheels adopts high-quality and safe PP material. With a lightweight and strong sealing, not easy to be contaminated, easy to clean, and safe to store food. [LARGE CAPACITY]- The bin with wheels is 28.7'x13.3'x29.5' (730x340x750 mm) in dimensions. It is big enough, with 21 gallons of large capacity. Also, able to hold110 lbs flour and141 lbs rice. [SPECIAL DESIGN]- The clear sliding lid allows for quick access of ingredients and immediate observation of foods; A food-grade scoop is included, the internal scoop hanger for food safety. [EASY TO MOVE]- With four caster wheels on the bottom for easy movement. They can easily carry heavy loads, saving time and effort. [WIDE APPLICATION]- The storage bin with wheels is ideal for mobile storage in the kitchen. Suitable for storing rice, flour, corn, soybeans, grain, and other dry goods.