1. Designed specifically for JBL Authentics 300, the real machine mold is opened, and the hole position is accurate; 2. The material is 75-degree EVA + outer layer of encrypted thickened Oxford cloth + inner layer of flannel. The product is strong and durable, and the inner layer is soft and can better protect the speaker; 3. With an adjustable shoulder strap, the adjustable length range is 70-140cm. Users can carry it on one shoulder or crossbody, which is more convenient to carry when going out; 4. The fixing method of metal fasteners + hook and loop fasteners design is simple to install and use. 5. Material: 300D snowflake Oxford cloth + EVA + flannel
