Based on this product's specifications, here are some alternatives and similar models
Dog treat bag Trixie TX32292 — polyester, two-tone black/sand, Ø10 cm, H140 mm
Summary description:
Trixie TX32292 is a compact dog treat bag made of polyester in black and sand tones. The cylindrical pouch measures approximately 10 cm in diameter and 140 mm in height, offering a practical compartment for training treats. Lightweight and durable, it attaches to belts or leashes for easy access during walks, obedience training and reward-based sessions.