1. Specifically designed for Bose S1 Pro and for Bose S1 Pro+ , special design, precise size, fits the speaker like a glove;<br> 2. The creative design of the sturdy trolley rolling adopts the design of detachable and retractable handles, which is convenient for pushing and pulling the speaker to the stage/party/swimming pool/garden and other locations;<br> 3. The thickened and encrypted nylon cloth is used, which is sturdy and durable, and the surface is film-treated, which can play a role in daily waterproofing;<br> 4. The built-in fixed PP backboard has strong three-dimensionality;<br> 5. The rubber stamp zipper head and double zipper closure design are resistant to pulling;<br> The built-in mesh zipper closure storage bag is convenient for storing chargers, charging cables, U disks and other small items;<br> The outer storage bag can store 2 wireless microphones, or umbrellas, water bottles and other items;<br> With adjustable shoulder straps and shoulder pads, it is convenient for users to carry it by hand, on one shoulder, or crossbody.<br> It can be detached and folded, small in size, and can be used with simple installation and fixing.<br> Colour:Black<br> Material:Nylon + Plastic<br> Package Contents:<br> 1 x trolley storage bag<br> 2 x fixed metal rods<br> 1 x adjustable shoulder strap<br> 1 x installation screw accessory bag(The color of the screw accessories is random, no specified color is accepted)<br> Only the above package content, other products are not included.<br> 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.