Quality material: the dust plug is composed of quality PET material ... compatible with iPhone phones of most types, including compatible with iPhone 11, 12, pro, mini, X, XS, XR, 7, 8, 6, Plus ...

There are several on Amazon, but I use the Limvory dust plug covers, shown below, which come in a pack of four with a handy little cleaning brush. I mostly charge wirelessly using either a MagSafe ...