Product: Mosquito net / sunshade for car side windows Compatible with: BMW 3er G20 G21 i3 G28 2019-2024 2025 What it does Combines a breathable mosquito net with a stretchable sunshade to block insects, reduce sun exposure, and darken side windows. Protects children and passengers from direct sunlight and UV rays while still allowing airflow. Key benefits Insect protection: fine mesh keeps mosquitoes and other insects out while windows are open. UV and sun protection: stretchable fabric provides substantial darkening and helps reduce UV exposure to prevent sunburn. Ventilation and comfort: breathable mesh design lets fresh air circulate—lower the window and enjoy a breeze without insect bites. All-day comfort: suitable for front and rear seats to maintain a comfortable cabin environment during trips. Materials & performance Made from high-quality, breathable, stretchable materials for a snug fit on side windows. Durable elastic edges provide a secure seal and long-lasting use. Designed to balance shade and airflow—reduces glare and heat while preserving ventilation. Fit and function Specifically sized for BMW 3er G20 G21 i3 G28 2019-2024 2025 side windows. Stretchable design accommodates window contours for full coverage and darkening. Works when windows are partially or fully lowered, enabling airflow while maintaining insect protection. Easy installation & storage Compact, adjustable design installs in seconds—no tools required. Elastic band is easy to stretch and position for a secure fit. Small and foldable for convenient storage in the glove compartment or trunk when not in use. Practical use scenarios Daily family driving: Protect children on the rear seats from direct sun and insect bites during city or suburban trips. Outdoor stops and camping: Lower the windows to cool the car while keeping insects out during picnics, camping, or rest breaks. Parked vehicles with children or pets: Leave windows slightly open for ventilation without letting insects enter. Why choose this product Tailored fit for specified BMW models ensures reliable coverage and a neat appearance. Combines sunshade and mosquito net functions into one simple, reusable solution. Fast to install, easy to store, and effective at improving passenger comfort and protection.