Colored windows reduce glare and create a quiet, comfortable space for your cat during travel. Transparent window lets your cat see outside and makes it easy for you to monitor your pet. More interior space for play and rest during transport. Ventilation net provides fresh air for pets, helping to keep them comfortable. Use scenarios City commuting: Ideal for trips through busy streets where glare can stress a cat; the quiet, viewable space helps keep your cat calm. Vet visits or travel: The view outside and steady airflow can reduce stress, while you can easily supervise your cat from the outside. Outdoor excursions and short trips: Extra space for stretching and short play breaks, with continuous ventilation to maintain comfort. Attributes at a glance Function: glare reduction, clear visibility, increased space, and ensured airflow for pet comfort during transport. Compatibility: designed to fit cat backpack carriers with window features described in the product; verify compatibility with your model. Size: interior dimensions and fit are modeldependent; refer to the product listing for exact measurements. Material: material details vary by model; check the listing for specific materials used. Performance: the ventilation net delivers continuous fresh air to pets during transport.