1. Metal: Formed with Metal, the slackline pulley is rugged, and easy to carry for up to 20KN to maximum safety. 2. Great Outdoor Toy: This is a great way for children to use their upper body strength and core muscles. As children slide down the zipper line, they enjoy the welcome breeze and build more confidence in their abilities. 3. Slide Easily: If set at the right angle, slider slackline pulley can glide easily, with stable simple speed control, so the kids in the family can enjoy flying through the . 4. Versatile Use: Or, you can design it above an above ground pool so kids can choose to land in the pool in the summer or on a yoga mat on the deck. 5. Wide Application: Not only for children's play, this slackline pulley can also be used for outdoor training, obstacle course, yoga class and so on. Outdoor Sport Pulley Slider Zipline Pulley for Training Obstacle Course for Kids Adults Item Type: Pulley Weight: . 280g/9.88oz Size: 6.5x6x8cm/2.56x2.36x3.15in Application: Indoor, outdoor, courtyard, park Color: As Shown Material: Metal Package Contents: 1 * Pulley Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.