The New Age Garden Window Box is made with ECOFLEX, a proprietary composite blend of recycled polymers and reclaimed wood fiber by-products. The ECOFLEX material is non-toxic, eco-friendly & impervious to moisture & odor, making it the perfect material for all of your gardening needs. All New Age Garden items are backed by an unrivaled 10-year limited manufacturer''s warranty. These window boxes are the perfect planters for smaller flowers and herbs alike. These eco-friendly planters are durable, attractive and easy to assemble. All New Age Garden planters can be painted for a custom look using readily available primer and paint. ECOFLEX planters outlast similar wooden planters 4-1. These window boxes come in 3 sizes to suit every need. Can be hung with standard mounting brackets or rest on any flat surface. New Age Garden products are easy to assemble, easy to clean & easy to LOVE!