These plugs are designed to fit into the 15mm round ports located at the rear wall's bottom and top of the "Arboreal Glass Towers" and the "Duo & Tri Glass" enclosures, as well as the "Feeding & Watering Jars."
 
The plugs are made from durable food-safe materials, including a silicone fitting and a plastic cap, ensuring a snug and secure fit to keep your spiders and other small animals safely inside the enclosure. These plugs are essential for maintaining the proper environment within the enclosure and preventing any unwanted escape.
 
Please note that most enclosures and jars have the necessary plugs when shipped, but you may need or want additional plugs. These plugs are easy to install and can be removed for cleaning or maintenance as needed.
 
In summary, Spider Enclosure Plugs are an essential accessory for keeping your spider enclosures and jars secure and safe for your spiders. They are designed to fit into the 15mm round ports located at the rear wall's bottom and top of the "Arboreal Glass Towers" and the "Duo & Tri Glass" enclosures, as well as the "Feeding & Watering Jars." With these plugs, you can maintain the proper environment within the enclosure and prevent any unwanted escape.