Julius-K9 Patch with hook and loop fastener, Small, WORKING DOG Patch size: 110 x 30 mm / 4,3 x 1,2 in Suitable for: IDC Powerharness sizes:Baby 2, Mini-mini, Mini and size 0. IDC Belt Harness sizes: Mini-mini, Mini and size 0. Julius K9 Powerharness sizes: Baby 2, Mini-mini, Mini and size 0. IDC Powerharness with Side Rings.