1. Seamless fit: specially designed for Bose SoundLink Flex 2nd Gen Speaker. (only sell silicone protective sleeve, excluding Speaker) 2. Provide effective protection: compared with the traditional silicone cover, you can play music directly without removing the cover, which will play an excellent role while protecting the speaker without damaging the sound quality. 3. Unique design: With hollow design, it is convenient for heat dissipation. 4. raw materials: the protective cover is made of soft silica gel, durable, non-toxic and environment-friendly. It can protect the speaker from falling, bumping, scraping and scratching when carrying. 5. Portable travel: equipped with a metal mountaineering buckle, which can be hung on the backpack, which solves the inconvenience of outdoor sports or travel. Compatible:for Bose SoundLink Flex 2nd Gen speaker Colour:A:Blue/B:Black/C:Red/D:Gray-White Material:Silicone Package Contents: 1 * Silicon Case 1 * Shoulder strap 1 * Carabiner(The color of the carabiner is random, no specification is accepted) 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.