[With ground anchoring]: there are specially designed and the hook and loop fastener the bottom opening, which are convenient and use, and in sudden rainstorms. [Feature]: Protection against wind, rain, moisture, snow and frost. It can help your plant grow faster in cold winter. And there are specially designed straps and the hook and loop fastener at the bottom opening, which are more convenient and quick to use, and can be quickly placed to protect plants in sudden rainstorms. [Material]: Made High-quality materials. and breathable. Allowing air, sun rays, and a small amount of rain to enter the plants. [Double Bubble insulation]: Double air cushion foil insulation, Practical lace fastening. [Application]: For up to 13.78 (35 cm) inch diameter posts. Material: non-woven fabric colour: grey Package Contents: 1 x Tree Root Insulation Cover 4 x Tool Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.