it's the product I've been looking for and I've finally found it
Jacquelne L.
Support and protection bracelet designed to keep the glucose sensor on the user's arm. It comes in black colour which offers comfort and discretion during use. Made of elastic and breathable textile material, which does not cause skin irritation. Adapts harmoniously to body movements without slipping. Recommended for daily use. It is not waterproof, but it can get wet, as it dries quickly.