These Silicone Seed Raising Punnets are our newest innovation in sustainable, reusable propagation accessories. Being made of silicone, they are easily cleaned and sterilised. Pop them in the dishwasher, steam clean or simply wash with hot water. The trays and infinitely reusable and sustainable - designed to last a lifetime and endurethe harshest weather conditions. Each tray features drainage holes in the bottom, a flood rim and handles for easy handling. The soil is easily released thanks to the flexible silicone walls making them optimal for transplanting seedlings by protecting the integrity of the roots and soil. The thick, heavy duty material helps regulate the temperature of the contents, protecting delicate plants.