Airline travel approved. The Star Crate is fully collapsible and folds in less than 20 seconds! Complete cross ventilation for optimum ventilation and visibility. Easy to clean hi-density structural plastic which is stain, water, rust and rot resistant. Easy-open, secure latching system. Leak proof, non-porous flat floor and an oversized entrance door. The Star Crates are stackable for storage and multiple crating. Includes food/water bowls, two airline labels, tags and instructions with each crate.