72 Cell Seed Starter Tray - 10 Pack - Extra Strength Starting Trays for Planting Seedlings, Propagation, Germination Plug Station by Bootstrap Farmer Ultra-Durable, High-Quality, BPA Free 72 Cell Tray (with drain holes). Made to last multiple seasons Trays are NOT flimsy or brittle. Seedling tray with material won't crack or break during transport Extra Strength Propagation 1020 Trays allow roots to grow through. Makes Great Germination Station Fits any standard 1020 Tray including Bootstrap Farmers Heavy Duty Trays. Great seedling tray Cell is 1.5" square by 2.25" deep now reaches to bottom of flat. Germination tray is 21.25" x 11.25" Have you seen a plug traythat can hold a bricks before without collapsing?<br> The Extra Thick Black Plastic can withstand heavy loads.<br> Won&#039;t break or warp while moving trays filled with wet material<br> Store trays when not in use without worrying about being crushed 21.25 Inches Long 11 Inches Wide 2.25 Inches Deep Vegetables Herbs Flowers Germination of Seedlings Soil Rockwool Vermiculite Perlite Many other Growing Materials 32 Cell 50 Cell 128 Cell 200 Cell