Help finding eartips (pls read all)

https://preview.redd.it/m92d8aoh3r6e1.png?width=1080&format=png&auto=webp&s=bf8fc94e7eefd2872ed6866b28a7d74e43a3e446

Help! I need suggestions, I am looking for some good options for some memory foam tips, the thing is whenever I use my iems, it is like if my voice bounces "inside" my head, idk, I am guessing it is the lack of seal. Please help