Non-woven Inserts for Hanging Baskets: The window box liner is made of felt. Its good breathability and moisture retention provide a superior growing environment for plants. Compared with traditional liners, it can effectively prevent birds from using it as nesting material. Planter Lining Size: You will receive 3 pcs black trough planter liners, a popular lining size for hanging baskets, window boxes, vegetable pots, fence flower baskets, wire plant holders, and more. Practical and Durable: The fabric is thick enough to retain moisture and keep soil moist, deep enough for root development, and allows proper air circulation for healthy plant growth. With its help, you can grow high-quality plants and extend the life of your planters. Easy to Use: The planter basket liner features a foldable design. Simply unfold and place it into a suitable window basket, add soil, plants, and water. Ideal for planting shallow-rooted flowers, herbs, vegetables, and other plants such as orchids, radish greens, ivy, and staghorn ferns. Indoor and Outdoor Decoration: This flower pot liner can be used for home decoration in patios, gardens, balconies, porches, eaves, and living rooms. It is also suitable for decorating cafes, offices, shopping malls, restaurants, wedding events, homestays, and green projects. A must-have for gardening enthusiasts. Color: Black Material: Felt Size: 24 in Package Contents: 3 x Planter Basket Liners Note: Light reflection and differences in display screens may cause slight variations in color. Measurement allowance is +/- 1-3 cm.