A while back I gathered information on large silicone toys I found whilst browsing for toys to buy for myself. This is by no means a complete list, and, for instance, Bad Dragon is missing because a good document already exists (I did not make this nor was I involved in making it): https://docs.google.com/spreadsheets/d/18yajdqObiRf2eFFqm7hjs1cF230udzkUna-_phUbcrw/edit?pli=1#gid=1411861205
I made a PDF of the database I made sorted by max. length and one file sorted by max. circumference. Download and zoom in if your browser doesn’t allow you to magnify the document enough to read it:
I hope this helps. I hope to some day own a Square Peg toy as they look amazing, as do Mr. Hankey’s Toys. I own one Oxballs toy; it’s made using softer silicone than I use; it’s pretty nice. I don’t have experience with most of the manufacturers on the list I made but I like the look of their designs.