【Eco-Friendly Greenhouse Garden Cloche】Our jar cloches are made of reusable, weather-resistant PVC. Breathable, no need to worry about harmful effects on succulents. 【5 Pack Plant Protector Cover】Pleasant appearance of glass jars, but made from high quality, provides a convenient vent top for easy ventilation and humidity control.This item is a set of plastic lids for succulents. 【Unique design】Openings on the top allow air and water exchange. Includes holes in bottom for optional anchor stakes. Rotating air vents can help the plant get enough air and water circulation and grow well. 【Wide Application】 Can help keep moisture and keep warm . Portable and compact, easy to store for next use. Suitable for home, garden or flower shop use.