TOURBON Genuine Leather Gun Buttstock Extension Slip on Recoil pad Made of genuine leather Easy slip on and off Come with Built-in thick Neoprene and two extra removable padding Protect your shoulder when shooting Small : Outside Size:Approx 5" x 1.97" x 3.74" , fit for 4.5"~4.7" , Weight:0.15kg Large :Outside Size: about 5.5''x 1.97''x 4.53'' ,fit for gun stock about 4.8"~5.2"