Gardener's Supply Company Raised Bed Liner, 4' x 4' MSU80_I0266

Product details:

Raised bed liners keep soil contained so you can install the beds on a patio, paved area or concrete slab any hard surface without soil washing out and making a mess. They help prevent weeds from infiltrating beds set in the lawn, too. Polypropylene fabric allows water to drain. Four sizes 3' x 3', 3' x 6', 4' x 4' and 4' x 8'. The 3' liners are 10 inch high, perfect for Grow Beds (fold the sides down for lower beds). The 4' liners are 6-3/4 inch high and may be used in beds of any depth.