Luxebell Dog Harness Mount for Gopro Hero 4 Session Black Silver Hero+ LCD 3+ 3 2 1 Camera and Sjcam Sj4000 Sj5000 ONE SIZE FIT MOST - Fully adjustable to fit small, medium and large breed dogs from 10 - 120 lbs. (7 - 54 kg). Chest mount can be removed to accommodate smaller-sized dogs WASHABLE WATER-FRIENDLY MATERIAL - Soft, padded construction keeps your pet comfortable STRETCH SIZE - Waist strap adjusts to 26 inches (at full stretch). Chest straps adjust to 16 inches (at full stretch) TWO SECURE TETHER - Protect your Gopro from accidental loss when the dog running very fast BACKED BY THE LUXEBELL DIRECT GUARANTEE - If you aren't absolutely satisfied, return it within 30 days for a full refund, no questions asked