Katgely 40 Ounces Recycled Paper Leak Resistant Bento Lunch Box (Set of 45) Katgely 40 Ounces Recycled Paper Leak Resistant Bento Lunch Box Dimensions: 6 x 4 3/4 x 2 1/2 Inches Food Container produced from 100% Recycled Paper Leak Resistant - We poured a cup of water into the box & left it for a week. It did not leak! Microwave safe