I had three I use to have a lot of fun with. One, highly flexible, about 14" long, 1" diameter, it slid up like going in a double door garage! LOL
I had another that was very soft and flexible, about 1 3/4" diameter, about 12" long, it had a nice head on it, it slid right into me and easily right up into my second sphincter, I could feel it slid right in, I could almost cum just from that. Squatted on the floor, knees on the floor, greased up, put it on my asshole and slowly rocked forward and backward, I was always amazed at how easily it slid right up me and into my second sphincter. It was hot!
And another that was about 2" in diameter, about 8" long, it slid in rather well too, I use to like the fullness.
And, I had a fist which I shoved in a number of times.
When moving once, because of my situation, I had to get rid of my toys, I miss them. Then I started anal estiming, so hot, that's where I am today. An electrifying experience! LOL!