Description: [Spring Design]: Built in spring, together with a large enough button to grip, make it safe and easy to put on and take off the hook covers with just A handed operation [Hollow Constructio]n: The hollow body of hook bonnets, helps hook points stay sharp because they will not nick into other lures or objects; and the hole at the bottom is designed to allow the hook to dry properly. [Protective Solution]: The protective hook caps save your skin, clothes, seats, carpet and upholstery from getting a hooked, which is a great solution to be protected from super sharp points. [Size Fits]: The multi functional hook caps are designed to fits size 4#, 6#, 8#, 10# treble hooks, which are heavy enough to not blow around and durable enough not to crack, can be reused for years. [Material]: Fishing hook bonnets are made of high quality Polyethylene material, strong and durable, strong abrasion resistance, and long service life. Specification: Material: Polyethylene Size Chart: Compatibility: 4# / 6# / 8# / 10# Type:W-307 S Package Includes: Packaging optional: 30 PiecesFishing Treble Hook Case OR 50 PiecesFishing Treble Hook Case Note: Please allow slightly errors due to manual measurement and different monitors.