Jiffy Gro Dome 11″ x 22″ Clear Plastic Dome, fits tray #234. It is made from recyclable plastic and is reusable. It helps to maintain greenhouse humidity and temperature for healthier seedlings. It fits Jiffy plant trays No. 234 (SKU 453-2420) and 236. Green Garden Products TDOME Jiffy Gro Dome 11″ x 22″ Clear Plastic Dome, fits tray #234. It is made from recyclable plastic and is reusable. It helps to maintain greenhouse humidity and temperature for healthier seedlings. It fits Jiffy plant trays No. 234 (SKU 453-2420) and 236. ADDITIONAL INFORMATION PRODUCT MANUFACTURER: Green Garden Products MANUFACTURER’S PART NUMBER: TDOME UPC: 033349412210 HEIGHT: 13.140inches LENGTH: 17.800inches WIDTH: 13.040inches WEIGHT: 11.0000lbs PRODUCT FEATURES -->Unless otherwise indicated, Ron’s Home And Hardware only sells NEW items in the original manufacturer’s packaging. Shipping All items ship from our location via Standard Ground shipping within 1-3 business days of receiving payment. RETURNS Your satisfaction is very important to us. Please contact us through eBay messaging regarding any problems before leaving negative feedback. Any defects, damages, or material differences with your item, must be reported to us within 7 days of receipt of the item or 30 days from date of shipment. The returned merchandise must be postmarked within 30 days of the shipment notification. Non-deliveries must be reported within 30 days of Shipment Notification. Undeliverable, unclaimed, refused, or insufficient addresses will be subject to a 20% restocking fee plus the cost of shipping.