The SunBlaster 10" x 20" Commercial quality Quadruple thick .065"/1.7MM (same as a quarter 25¢) plastic plant tray should be used as the base component of any seed germinating or plant propagating facility. The SunBlaster Quadruple thick 10x20 tray is FOUR times as thick as standard trays, ensuring it will last season after season. * The SunBlaster plastic plant tray measures 10" x 20" x 2 1/2" and is perfect for all your cutting and seed sprouting needs around the greenhouse or farm. You can easily sprout seeds or root cuttings in this multi-purpose Commercial quality plant tray. * Sunblaster"s deep, continuous plant tray channels and level, wide ridges prevent water from pooling up and provide better stability for all propagation media. The Sunblaster heavy duty commercial plastic plant tray has super reinforced sides, corners and lips, quadruple thick plastic throughout and UV protection for durability and an extra long life. * SunBlaster Commercial 10" x 20" plant trays are professionally engineered for extra strength, making them easier to carry and move water filled peat pellets, heavy dirt or grow medias around and makes them easy to nest, stack and separate when needed. * Try the plant trays with the SunBlaster Nanodome 8" Clear vented top to keep the humidity high and provide the perfect environment for fresh cuttings. Don"t let your hard work end up on the floor, protect your efforts by using Quadruple thick 10 x 20 plant trays from SunBlaster for all your propagation and germination needs.