DIMENSIONS: 16.5inch x 12.9inch x 0.7inch. Please confirm the size before purchase. RELIEF: Our bovine massage brush not only offers relief from insect bites, boredom, shedding a seasonal coat, but also the spikes surface keep your pet comfortable. SAFE: The horses scratcher no-pull surface ensures your pet's mane and tail 't get damaged, and it 't tug on their hair or rip their bedding that your horse to safely scratch without the worry of pontential injury. USE: You can use indoor or outdoor, and the equine, bovine massage brush kit can be easily removed for cleaning when needed. INSTALL: The cow scratcher is easy to install. You can option to use twine for trees, feeders, fences or washers and screws for wood surfaces (only included screws). You can even connect multiple pads together. Colour:black Material:plastic Size:42 x 33cm Package Contents: 2 x Horses Massage Brush 40 x nail 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.