Overview Introducing the CJYMMFAN Professional Dog Runner Trolley System, a heavy-duty, adjustable 30ft zip line designed for large dogs up to 250 pounds

The setup adapts to your yard, campsite, or park with two tie-out lengths—10ft for compact spaces and 15ft for more roaming room—making it versatile for single or two-dog households while keeping play organized and out of the way

Why this design stands out Two tie-out cables (10ft and 15ft) provide flexible options for different yard sizes and outdoor scenarios

Sturdy 5mm diameter stainless steel wire delivers durability and bite-resistance for strong chewers

Larger and thicker screw hooks secure anchoring to trees or walls, helping prevent accidental detachment during active play

Safety and comfort in outdoor settings The included shock-absorbing spring helps smooth tension and minimize abrupt pulls during exploration

By keeping the line d, the system reduces ground obstacles, creating a cleaner, safer outdoor space

dom with control A 360° swiveling locking hook and rust-resistant clip let dogs move naturally while staying securely tethered

The design supports balanced outdoor routines where curiosity and safety go hand in hand

Easy installation and portability Setup requires no tools and takes minutes using the included instructions and L-wrench

The included storage bag keeps components organized for camping, picnics, or weekend trips

-world scenarios Whether you’re in a compact courtyard, a roomy yard, or camping under trees, this trolley system provides a bounded space for your dog to explore—especially useful for large breeds and active owners who want outdoor flexibility without constant leash management

FAQ Q: What makes the CJYMMFAN Dog Runner Trolley System suitable for large dogs

A: Chew-resistant stainless steel wire, dual tie-out lengths (10ft/15ft), and a 360° locking hook provide secure dom for big breeds

Q: Is installation quick and portable for camping and outdoor use

A: Yes

The system installs in minutes with no tools and includes a storage bag for easy transport