Check the listing for details. 160FT Zipline for Backyard Kids and Adults Up to 400 lbs - Outdoor Zip Lines Kit. Color: Blue, Condition: New. Listed at 139.99 USD. 【Safety First】 Safe strap + Adjustable Safety Belt + Seat + Reliable Braking System for Maximum Security. Our 60mm swing seats are more durable and thicker than other 38 mm swings, which can hold up to 400 lbs. The length is adjustable from 3.6ft to 6.5ft by adjusting buckle, so it will suitabale for kids of different ages and sizes. Our zipline kit with harness has much more safety than the zipline kit with seat. You will never need to worried about falling when having fun【High Quality Steel Cable】 Ziplines for Backyards is designed with your children's safety top of mind .Our high-altitude zipline is made ultra-strong, galvanized aircraft stainless steel cable. With durability and weather resistance, Sling Cable comes with zipline tree protect .