Easihold Rock Glue – Gravel Binder for Pea Gravel & Stones. Long-Lasting Mulch Glue for Landscaping – Non-Toxic, Ready-to-Use Gravel Lockdown for Paths, Patios & Garden Borders 64oz. 🥇 Gravel & Mulch Binder: Trusted, internationally recognized landscaping adhesive with proven performance for outdoor stone, gravel, and mulch stabilization.