DISHWASHER SAFE Food container box is dishwasher safe. Or you could wash it with warm soapy dishwater by hands and patted dry to prevent water spot marks. If necessary, you can also remove the ring on the lid and clean it.WIDE APPLICATION Our lunch bento boxes can be used in many occasion, Perfect size suitable for nutritious sandwiches and vegetable salad on the go. From deviled eggs at a picnic to fresh fruit and nuts on a hike, these are the best food storage containers for traveling, family car trips or snacks on the move For kids, men and women. Take the box to work, school, camping or any outdoor meals.Colour:SilverMaterial:stainless steelSize: 220ml: 13.5 x 9.5 x 4.5cmPackage Contents:1x Lunch boxOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.