Extra Strength Seed Starting/Propagation Trays

SUNPACK® Extra strength Food-Grade, BPA-Free plastic propagation trays.  These trays are perfect for expanding your gardening activities or replacing old trays. Their deep-channel bottom ridges provide easy drainage, preventing over watering and offering better stability for containers.   Description FOOD GRADE: Made from, Food-grade BPA-Free plastic STRONG & DURABLE: 190g, Built from Ultra-tough, top grade plastic to ensure years of use LARGE SIZE: With an outer dimension of 21¼" x 11" x 2½",these trays are big enough for not just seed germination, but also seedling/small plant development. VERSATILE & REUSABLE: Trays are multi-purpose and can be used in indoor gardening, greenhouses, for wheatgrass and microgreens cultivation, and more. COMPATIBLE: Fits perfectly with most 2", 5", and 7" tall humidity domes and seedling tray/plug inserts, as well as with all 10" x 20" seedling heat mats.