Timberlane Gardens Raised Garden Bed Kit 3 Tiered (1x3 2x3 3x3) Select Cedar Elevated PlanterConstructed of sustainably managed Select Cedar (rough sawn). 100% natural and chemical free. Mortise and Tenon joinery. Simple, no tool and splinter free assembly. Easy to transport. A beautiful, triple tiered gardening bed. Use as three separate beds or stack them as one 15 inch deep three tier bed. Joining brackets included. Deep beds allow more planting in a smaller space, such as Square Foot Gardening. Includes a 1 year replacement warranty*