[Material]-- Our seed starter is made of high-quality silicone, which will not melt, become brittle crack even under the most extreme conditions, can be recycled f years. [Breathable Ventilation Holes]-- There are ventilation holes at the bottom of the silicone seedling tray, which allows sufficient oxygen to reach the plant roots while preventing moisture accumulation. [Multi Purpose]-- Silicone seedling trays are perfect f seeds, vegetables, plants, flowers seedlings, perfect assistance f farm, garden wkers. [Size]-- The size of the silicone seedling starter is about 18146.5 cm/7.15.52.6 inch, suitable f nurseries miniature greens, you can stack them together to save space. [Protect Roots]-- The flexible silicone wall is ideal f transplanting plant seedlings in your garden by protecting the integrity of the seed roots soil. All Products From Us Have Undergone Strict Quality Checks. If There Is Any Quality Problem You Are Not Satisfied With The Product Contact Us. We Will Give You The Best Solution.