Its almost impossible to bring large tender shrubs indoors over winter which is why this insulated jacket set is so useful supplied as a set of 2 protectors one for the stem and one for the plant they offer all weather protection from low temperatures wind and sunthe jacket is made of a high quality micro fleece 70gsm for the plant jacket and 100gsm for the stem protector the stem protector also has cushioned foil to protect from both weather and animal damage they are so easy to fit