Speaker Cover: This portable speaker strap cover is specially designed for JBL Authentics 300 Retro Bluetooth Speaker. Made based on real machine, perfect fit, easily carry the for Authentics 300 on the go, release your hands. Note: For sale is cover only, speaker is not included. EVA Speaker Cover: The carrying cover is made of shockproof hard EVA, can effectively protect the speaker from impacts, scratches and drops. Build-in soft lining, will not scratch the speaker surface. The materials are sturdy and durable, compact and lightweight. Outstanding Design: The speaker cover is connected by hook and loop straps, allowing the cover to fit securely on the top and bottom of the speaker, safe and stable, will not fall off easily. Equipped with an adjustable shoulder strap, easily to carry the speaker, release your hands. Thickened shoulder pad can reduce the burden on shoulders. Listen with Case On: The hard EVA shell has precise cutouts on the top and bottom, will not block the speaker and buttons, easy access to all buttons. Listen with case on, sound quality is not affected. Also designed witht coutouts for the support feet of the for Authentics 300 speaker, the support feet pass through the cutout to make the shell fit the speaker more closely. Easy to Install: Quick installation and disassembly, perfect fit. Cover the shell on the top and bottom of the speaker, fix the hook and loop straps on both sides, and finally install the shoulder straps. Note: The top part of the shell needs to pass under the speaker handle. Colour:Black Material:Oxford cloth + EVA + flannel Package Contents: 1 x Speaker Protective Cover Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.