Hydro Flow EZ Pull End Cap 3/8 Inch, Bag of 10 The EZ Pull End Caps are made from tough, flexible vinyl They are easy to push on and pull off, yet provide a secure, leak proof fit Comes in multiple quantities The EZ Pull End Caps are made from tough, flexible vinyl They are easy to push on and pull off, yet provide a secure, leak proof fit Very easy to use and reliable for your needs