I have this one and love it

Wander Wild Upgraded Dog Treat Bag with Neoprene Split-Top; Stylish, Quality Dog Training Treat Pouch with XL Shoulder Strap, Belt and Belt Clip, Exterior Pocket for Phone and Keys (Orange) https://www.amazon.com/dp/B08M5X3PSM/ref=cm_sw_r_cp_api_glt_fabc_RAQS69PY6DPNV9EAS441