1020 Tray Propagation Dome. 7" High. Dimensions: 7.5"H x 11.5"W x 21.5"L. Fits black 1020 trays. High-grade plastic for maximum light. Offers 2 adjustable vents for good humidity & to minimize moisture loss. All domes are vented & vents could be either black or clear. Domes may/may not have top built-in handle. Dome style may vary, depending upon wholesaler source we purchase from.