Out performs every other christmas tree stand on the market. Patented easy-fill reservoir accommodates low branches and holds 1 gallon of water to keep trees fresh and safe. Spill guard prevents over-filling mishaps. 3 tempered rust-proof spikes in center of reservoir anchor tree preventing shifting. Designed to hold trees up to 7 feet tall (larger if attached to plywood using reinforced holes at outer edges of stand). Holds trees with up to 5.5 inch trunk diameter.Ingredients:3 Pounds Of Virgin High Impact Polypropylene.