Stable foundation for plants Made from dependable felt, these liners provide secure support for pots and plants, helping keep soil in place and plants upright. Enhanced ventilation and drainage The ventilated felt design retains soil and moisture while promoting airflow and drainage, supporting healthy root development over time. Bird barrier protection Builtin protective barriers deter birds from nesting in window box baskets, reducing maintenance and helping protect plant health. Outdoor versatility for creative spaces Ideal for balcony gardens and home gardening, these liners enhance landscaping decorations and support greening projects with a multipurpose solution for creative outdoor spaces. Product details Material: felt Function: liner for window box baskets Design: suitable for typical window box setups to provide stability, moisture management, and airflow Use scenarios Balcony herb garden: insert the liner into a window box on a balcony to grow herbs such as basil, parsley, and chives, while maintaining soil stability and moisture balance. Seasonal flower display: place in a porch or patio window box to support annual blooms, improve drainage, and reduce soil loss during watering. Outdoor landscaping edge: install in multiple window boxes along a balcony or stairs to create a cohesive green display with steady soil retention and airflow.