Professional Ultra-Light Pochade Box Easel Plein Air Easel with Aluminum. Ultra-light Pochade Box Easel, Only 7.26 LB empty Field Easel with aluminum tripod and storage box and removable palette, designed for artists, hobbyists and students who often need to sketch and travel outdoors Adjustable, Upper and lower slots on the working board can accommodate 4.8”x4.8” to 23.6”x31.5” painting pad or canvas A sturdy and durable tripod, with damping when deployed, using a knob locking mechanism, which is convenient and quick, and can quickly complete preparations and enter the creative state when sketching outdoors. Note: Only tighten the knob clockwise to lock the legs The box is made of solid wood and multi-layer boards. The surface is treated with wood wax oil, which is odorless and environmentally friendly.