Yosoo Silicone Leakproof Lunch Bento Box for Kids Adults, Microwave Safe Food Container - 4 in 1 - 3-Compartment 1-Bowl 1-Spoon (Green) Size: 24.117.87CM It is Environment-friendly, made of the Highest Quality 100% Food Grade BPA-Free Plastic The Silicone material on the lid is sturdy enough to help form a tight seal. The lid has four grooves for itself to latch into, so that the box is leak-proof. The bowl won't leak food even soap out either . Designated space is allowed to store the spoon which is a GIVE-AWAY. The lid is ESPECIALLY easy for kids to open and close It can be microwaved directly and safely with a SMART VALVE on the lid top to steam out, which serves to keep the food fresh and delicious . And you don't need to separate the container from the lid when microwaving your food (Please make sure to open the bowl lid!).