4 in. x 4 in. x 8 ft. Black Recycled Plastic Lumber Timber Edging G-Grade (2 Per Box)Sustainable and environmentally friendly Made with 98% recycled materials Excellent for ground contact applications and exposure to the elements 100% waterproof Resistant to rot, fungal decay, mold, graffiti and insects Will not twist, split, crack or splinter Resistant to most chemicals Lasts longer and is more durable than wood No poisonous or carcinogenic chemical preservatives Actual dimensions: 3 1 2 in. x 3 1 2 in. x 8 ft. No special equipment