Airtight Food Storage Containers 4-Piece Set - 3.5Galx2 & 4.5Galx2 - Large Capacity Kitchen Bins for Dry Goods, Rice, Pet Food - Stackable Containers with Wheels

【Airtight & Secure】: Features a double silicone seal, damp-proof box, and locking latches to effectively keep out moisture, pests, and air; helps to preserve the freshness and flavor of dry goods for extended periods; ideal for long-term storage. 【Large Capacity & Stackable】: Includes two 3.5-gallon (15L) and two 4.5-gallon (20L) containers; each 15L holds up to 26 lbs of rice or 13 lbs of pet food, while each 20L holds up to 35 lbs of rice or 17 lbs of pet food; designed to stack vertically for efficient space saving. 【Durable & Food Safe】: Constructed from BPA-free, non-toxic, food-grade PP plastic; ensures the safety of stored items for both humans and pets; durable material is resistant to cracking and easy to clean with mild soap and water. 【Mobile & Convenient】: Equipped with 360° detachable wheels for effortless movement, even when containers are full; simplifies transferring heavy loads of food across the kitchen or to storage areas; wheels can be easily removed for stationary use. 【Visible & Versatile】: Transparent lid allows for quick identification of contents and monitoring of remaining food levels; suitable for storing a variety of dry goods, including rice, flour, sugar, pet food, snacks, grains, nuts, and legumes; flat top provides extra storage.