The RTS Home Accents Rock Lock Raised Garden Bed is an interlocking border system that looks and feels like natural stone. Achieve beautiful looking walls in just minutes with endless layout possibilities. The easy-to-assemble modules will give you a look and feel of rock walls while each section only weighs 9 lbs. The extra long 28 inch spike allows you to stack two pieces of your Rock Lock Raised Garden Bed to create a 20" tall garden wall. The border system is suitable all year round and will not crack, chip or fade in any weather. Rock Lock will also extend your growing season as the hollow walls insulate the soil and plants. I for vegetable gardens, flower gardens, water gardens, retaining walls, sandboxes and playgrounds. Natural Stone Look: istic rock appearance for a seamless blend with garden landscapes. Easy Installation & Durable Construction: Includes 18-inch spikes for secure and simple setup in soil or garden beds. Made from high-quality, impact-resistant plastic for long-lasting use. Versatile Use: I for enhancing your garden, lawn, or outdoor space with an elegant, natural border. Sturdy & Stable: Keeps landscaping materials in place and prevents soil erosion with its secure installation. Includes 3x End Rocks and 1x 28 inch spike for creating a uniform, cohesive edging system.