VELCRO® Brand Strap Set for PitPat Dog Activity Monitor £250 FREE UK delivery by Tuesday if you order within 5 hours 30 minutes. Quantity — OR — Add to basket Replacement / extended VELCRO® Brand strap set for PitPat Dog Activity Monitor. Strap width 25mm. Includes 1 x standard length (100mm) and 1 x extra long (120mm).