The foam earbuds tips Compatible with AXIL GS Extreme 2.0, NASCAR 2.0, XCOR PRO, XCOR PRO NASCAR, SIG SAUER hearing protection earbuds. Material: Memory foam, which block outside noise and doesn’t affect the original sound quality of your headphones. comfortable and soft, no ear pain for long time. Securely Fit: Engineered design, securely fit and the ear buds do not slip off, comfortable listening experience for earbuds. Slowly Rebound Sponge: The foam tips will be deformed and ugly after pressing, about 30S to fully recover. Better noise isolation and effective hearing enhancement. Package Contents: You will get 3 pairs eartips with S. Memory foam ear tips replacement for in-ear headphones with 5-6 mm tips. slowly rebound, comfortable and soft, no ear pain for long time.