1. The shell is made of PU and EVA, which is light, portable and practical2. The shell is made of high-quality materials to effectively protect the speaker from scratches3. Equipped with straps, which can be installed on bicycles or motorcycles, a good partner for traveling or camping and outdoor sports4. The shell is designed with multiple speaker windows, so the shell will not affect your listening experience at all5. With zipper, easy to accessSpecification: General Compatible with JBL: Flip 3 Package Weight One Package Weight 0.18kgs / 0.41lb One Package Size 26cm * 12cm * 11cm / 10.24inch * 4.72inch * 4.33inch Qty per Carton 162 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 162 pcs = 28674 pcs40HQ: 412 cartons * 162 pcs = 66744 pcs