Effective freeze protection Constructed from polyester material, these frost blankets provide reliable protection against freeze damage and harsh winter conditions that threaten plant roots. Temperature regulation feature Designed with thermostatic capabilities, they help maintain a temperature for roots during extreme weather fluctuations. Secure elastic cord fitting The elastic cord allows easy adjustment for a secure fit around various tree sizes and stays in place even on windy days. Multifunctional for gardens for protecting trees as well as providing warmth to flowerbeds and lawns, these frost blankets are indispensable for any gardening enthusiast. Use scenarios 1) In late autumn and through winter, drape over trees to shield roots from freezing temperatures and harsh conditions. 2) During sudden cold spells, place over flowerbeds and lawns to retain warmth and protect perennial beds. 3) Use when preparing for earlyspring cold snaps to minimize root stress and support early growth.