This is an option without a round carabiner. This is a heater cover for Marukan's Yorisoi Heater♪ This will give you peace of mind in the winter! Heater cover to prevent mischief & protect your precious pet from burns Made of anti-pill fabric, it's resistant to chewing and extremely durable! Maintains a moderate warmth It doesn't let heat escape too much, trapping a comfortable warmth inside. Prevents chewing and mischief Hides the heater body and cord with durable material, preventing electric shock and heater damage. Prevents burns Prevents pets from directly touching the heater, reducing the risk of low-temperature burns Easy to clean Anti-pill fabric makes it difficult for dirt to stick It can be washed and is hygienic, removing loose hair. For the fittings, Please choose either compact fittings or stainless steel eyelets and let us know in the transaction after purchase ❤︎ If there are no comments, we will use stainless steel eyelets♪