4 Pcs for Different Uses: You can put sandwiches, fruits, vegetables into different boxes for separate storage. Or use it for different scenarios, such as green for work lunches and red for picnics. You can also share it with friends and family and enjoy a portable lunch together. Perfect Size for Sandwich: Our sandwich containers is specially made for sandwiches, unlike square boxes, ours will protect the heads on both sides of the sandwich, and will not be unable to hold the sandwich. Food Grade PP Made: PP material has no bad ingredients, so it is safe to use. And the hardness is good enough to protect your sandwich. It is also corrosion-resistant, and the juice on the food you bring has no effect on it. Large Capacity: Our sandwich keeper has 20Oz, which allows you to put a few sandwiches in, or put some fruits and vegetables between two sandwiches. And its size is about 5.4" x 4.7" x 2", you can even put a hearty meal. Convenient Design: It has a simple snap-on lid for easy opening and closing. Our sandwich box can also be heated in the microwave, so you can quickly eat a hot lunch.