DONGKER Dog Ball Replacement Shell,Thickened ETPU Puppy Ball Cover Built-in ABS Hard Protection Chamber for Most Pet Smart Balls

["Thickened ETPU Soft Shell Material: The outer shell uses high-elasticity thickened ETPU material, offering softness, wear resistance, and excellent rebound to effectively cushion impact forces.","Built-in ABS Hard Protection Chamber: The shell integrates an ABS inner chamber with precise snap-fit locking to hold the smart ball's main unit, avoiding the motor and circuit board from shifting or damage during rolling.","Washable: The entire replacement shell can be rinsed with clean water or gently brushed. After air-drying, it can be reassembled for reuse. Pets can play with it independently, reducing instances of furniture damage.","Fit For Mainstream Smart Balls: Designed for most commercially available pet smart balls with similar diameters. Features a large-diameter battery compartment with tool-free threaded fasteners for quick assembly and disassembly.","We’re Here for You：Thank you for your trust. If you have any questions, please message us through Amazon — we’ll be glad to assist."]