Measurements:...Memory Foam Eartips: Small: Outer Diameter:11mm...Height:10mm .. Medium: Outer Diameter:13mm...Height:10mm .. Large: Outer Diameter:14mm...Height:10mm <><>Silicone Eartips:...Small : Outer Diameter 11mm...Height: 9mm... Medium : Outer Diameter 12mm...Height: 9mm... Large: Outer Diameter 13mm...Height: 10mm<><> :. -Premium Soft Memory Foam Eartips are excellent in isolating sound, providing a secure fit, and maximizing the comfort of your in ear device. -Once Squeezed, the Memory Foam eartips will return back to their original shape and form in about 20 seconds...Instructions to Install Ear tips:<><> With one hand hold the eartip and the other, the In-Ear Earphone Driver. -Place the Driver of the Earphone in the edge of the ear tip canal. -Using your thumb, apply pressure and push down on the top of the eartip onto and until the ear tip has fully covered the Driver of the Earphone. -Once you have put them on properly, they will stay on securely...... To remove the eartips:.. -Use your thumb and nail to grip the bottom of the eartip's inner rubber canal and slowly slide off the eartips from the Driver of the Earphone so the memory foam doesn't tear from the rubber canal.
12pcs (NSY-BMF-sB) S/M/L Premium Memory Foam and Silicone Replacement Eartips Earbuds Adapters for Fitbit Flyer Wireless Earphones / Headphones - B07BBTJG4L