tree guard tree guard sleeve tree protector Material: Polypropylene Structure: hollow corrugated( see pictures enclosed) Thickness:2mm Density: 300g/sqm Shape: triangle or Square(see pictures enclosed ) Size: customized Installation: with woodstake(see pictures enclosed ) Durability: 3years Features: translucent to assist in photosynthesis, easy installation, quick fold, eco-friendly, UV proteced.