durable nylon construction offers protection against dust and scratches, helping keep your JBL PARTYBOX320/310 in condition. Tailored for JBL PARTYBOX320/310: designed specifically for these models, providing a secure fit that prevents slipping or movement during transport or storage. Portable and lightweight design: soft elastic material allows easy carrying and compact storage without adding bulk to your setup. Allround protection: guards against dust, moisture and impacts, extending speaker life while maintaining performance. Use scenarios Gigs and rehearsals: carry and move the PartyBox between venues with confidence, knowing the cover protects surfaces and keeps the unit clean. In transit between venues: secure fit reduces shifting in cars, vans, or equipment racks during travel. Home or studio storage: protects from dust and moisture when the speaker is not in use, keeping it ready for immediate use.