Tailored for the s1 Pro+, 1.5cm thick hard cotton with an overall thickness of about 2cm provides excellent shock resistance, collision resistance, and protection. It can be carried on both shoulders and at two angles, with reinforced stitching at the stress area, an enlarged accessory bag, and can accommodate commonly used accessories such as microphones, power supplies, and power cords The new model is suitable for bose s1 pro+speaker bag. All new s1 pro, s1 pro+ backpacks A brand new s1 pro+speaker backpack Customized 17mm thick hard pearl cotton filling, Better seismic and collision protection effect, Expanding the storage bag can accommodate more accessories, There is a friction resistant foot pad at the bottom, It can be carried on both shoulders and back in two directions, Double shoulder and back, with longer straps to meet more body shape