![Amazon.com : 【3 Colors 3 Sizes】 K.9 Service Dog Collar Tactical Collar Adjustable Nylon Basic Dog Collar with Reflective Patch for Large Dogs with 18.5"~23.5" Neck Girth (L, Blue, Collar Only) : Amazon.com : 【3 Colors 3 Sizes】 K.9 Service Dog Collar Tactical Collar Adjustable Nylon Basic Dog Collar with Reflective Patch for Large Dogs with 18.5"~23.5" Neck Girth (L, Blue, Collar Only) :](https://m.media-amazon.com/images/I/41E-Dy5dVCL._AC_.jpg)
Amazon.com : 【3 Colors 3 Sizes】 K.9 Service Dog Collar Tactical Collar Adjustable Nylon Basic Dog Collar with Reflective Patch for Large Dogs with 18.5"~23.5" Neck Girth (L, Blue, Collar Only) :
![Amazon.com : Service Dog Blue Color Coded S-M L-XL Buckle Dog Collar (Do Not Disturb) Prevents Accidents by Warning Others of Your Dog in Advance (L-XL Collar 15-25" Lx1.5 W) : Pet Amazon.com : Service Dog Blue Color Coded S-M L-XL Buckle Dog Collar (Do Not Disturb) Prevents Accidents by Warning Others of Your Dog in Advance (L-XL Collar 15-25" Lx1.5 W) : Pet](https://m.media-amazon.com/images/I/71o6UgkHaYL.jpg)
Amazon.com : Service Dog Blue Color Coded S-M L-XL Buckle Dog Collar (Do Not Disturb) Prevents Accidents by Warning Others of Your Dog in Advance (L-XL Collar 15-25" Lx1.5 W) : Pet
![Amazon.com : rabbitgoo Tactical Dog Harness for Large Dogs, Heavy Duty Dog Harness with Handle, No-Pull Service Dog Vest Large Breed, Adjustable Military Dog Vest Harness for Training Hunting Walking, Black, L : Amazon.com : rabbitgoo Tactical Dog Harness for Large Dogs, Heavy Duty Dog Harness with Handle, No-Pull Service Dog Vest Large Breed, Adjustable Military Dog Vest Harness for Training Hunting Walking, Black, L :](https://m.media-amazon.com/images/I/71XiiLeb+aL.jpg)
Amazon.com : rabbitgoo Tactical Dog Harness for Large Dogs, Heavy Duty Dog Harness with Handle, No-Pull Service Dog Vest Large Breed, Adjustable Military Dog Vest Harness for Training Hunting Walking, Black, L :
![Amazon.com : Mondo Medical Service Dog Collar - 15.5 to 24in Reflective Large Dog Collar in Red for Large Sized Dogs : Pet Supplies Amazon.com : Mondo Medical Service Dog Collar - 15.5 to 24in Reflective Large Dog Collar in Red for Large Sized Dogs : Pet Supplies](https://m.media-amazon.com/images/I/71wpkCug+IL.jpg)