1. Cold and warmprevent: To prevent trees from cold damage, frost damage and frost damage.

2. Stable heat preservation: Avoid too high and the low warmth in the film, and it reducess the damage of sudden cooling and heat to the tree.

3. Air heat dissipation: Breathable heat dissipation to avoid high temperature in the membrane.

4.Easy to operate: No rack, no bagging, simple operation, reduce labor costs.

5. Easy to carry:   Portable and convenitent to carry.