Originally Posted by bush11
A renga is awsome they come in large
Renga is a Japanese poetry form. Did you mean Tenga, a brand of sex toy?
The regular hard shell Tenga toys don't accept much girth or length. They make two larger models which are branded Tenga 8.0
or US Tenga
depending on where you buy them. These large models accept more girth than the regular ones, but it still might not be adequate if you've got a thick one. And it'll definitely be too short if you're much over 7 inches in length--it's genuinely unpleasant to hit the end on one of the things!
PS: if you really did mean "renga" could you provide a link? Google doesn't show any erotica under that name/spelling.