Insulating Plant Protective Cover,made of heavy-duty plastic. Package include : 10 x Insulating Plant Protectors Cover Specification: Color:Sky blue & red Size :19"W x17"L Feature: (1)Insulated plant protectors, each with a bottom diameter of 19 inches, and a height of 17 inches installed. Provides ample coverage for your plants. (2)Quality material, durable and not easy to tear, can be reused many times.Highly effective protective barrier, provides plants with a warm growing environment and extends the growing cycle. Note: Pictures are for reference only, please refer to the real thing.