Description: Premium Material: Guitar backpack dust cover is made of perfect quality PVC material, and with the finest workmanship, which is soft and wear-resistant, not only can protect your instrument, but also give you a comfortable touches feel. Wide Application: Guitar bags cover fits most guitar sizes, including: for Acoustic, for Classical, for Folk, for Arch top, for Acoustic Bass, for Cutaways guitars. And you can buy with confidence. Reasonable Design: The protective cover prevents anything from damaging the guitar bag and your guitar, and protects it from scratches, water and sweat. Easy Operation: This protective cover has a compact size, lightweight and portable, easy to carry and store, which is a nice guitar accessory. And it brings much convenience. Wonderful Replacement: Easy to use, just slide the cover over the back of your instrument backpack until the whole back and part of the top is covered,and it can help improve the performance. NOTE: COVER ONLY! Size Chart: Guitar: Length 119cm/46.85inch Lower width 44cm/17.32inch Upper width 21cm/8.27inch Thick 7cm/2.76inch Zipper opening 45cm-30cm/17.72-11.81inch Bass: 135cm/53.15inch 44cm/17.32inch 21cm/8.27inch 7cm/2.76inch 47cm-30cm/18.50-11.81inch Folk: 126cm/49.61inch 46cm/18.11inch 21cm/8.27inch 7cm/2.76inch 14cm/5.51inch 39cm-30cm/15.35-11.81inch Package Includes: 1 Dust Cover  Note: Please allow slightly errors due to manual measurement and different monitors.