Plastic containers are great for meal prep, leftovers, cabinet storage, and more. These high-graded containers for food storage with lids have a hinge-lock system which makes it spill and leak proof. The removable silicone rings of different colors and snap locking lid makes to go containers airtight so your food stays fresh for long. The easy to open lock and lock system is sturdy at times, making it shatterproof. QTY above 440 pcs is based on sea shipping, which needs 35 days of shipping. Add a brand name or logo to the product and make it your next marketing giveaway.