BarkBinder Bark/Mulch Stabilizer & Sealer (1-Gallon Bottle) Locks bark in place - it's like hair spray for your mulch! Use only with fibrous, shredded bark or mulch Eco-Friendly; VOC-Free; Safe around plants & animals Resists wind & water erosion; preserves natural color Allows for water, air, & nutrient transfer to plants, shrubs, & trees