Make an eco-friendly choice, with this food container and lunch box, made from clean glass and sustainable bamboo. The bamboo lid has a silicone suction seal to secure the lid to the base, with the silicone band adding extra security. 20 ( l ) x 15 ( w ) x 7 ( h ) cm bamboo, glass & silicone capacity: 1040ml lid: bamboo base: tempered glass white silicone band the glass base can be washed in the dishwasher, but to preserve the seal, dishwasher cleaning is not recommended for the lid