The fixed buckle is made of steel material, with screw fixation to prevent from falling down. It is safe without any strange smell. It can help you when you need an indoor fitness. It is very useful as an assistant for your self-exercising. Features -Color:Silver -Material:Steel -Size:10.50X5.50X4.00cm/4.13X2.16X1.57in -Strong and Durable: The product is made from material, ensuring strength and durability, and is resistant to corrosion, making it very useful for long-term use -Super Stable: Once installed, the product provides super stability without shaking, can use it with confidence, it will stay securely in place -Versatile Application: Suitable for a variety of uses, including yoga trapezoidal suspension trailers, rings, yoga swings, boxing equipment, and more, whether indoors or outdoors -Easy Maintenance: The product is easy to clean and wipe, offering reliable quality and convenient use -Multi-Location Installation: The ceiling hook can be used in various places, suitable for mounting on solid walls, floors, decks, ceilings, trees, and more, providing versatility in installation options Package list: 1 x hook