Cindy & Will 1Pcs Stainless Steel Single-layer Thermal Insulation Container/Box for Kids, Random Color Dimension: appprox 16cm * 8.7cm. Double lock design make its heat insulation effect better. It has handle to carry, item's szie is very convenient and suitable to kids. Healthy material can give kids a safe and environmental guarantee. Its material also doesn't impart taste or odors to food. It is feasible to bring it to school, picnic or office.