Just get one that is similar in size to his current hides. Snakes usually don't get stuck in hides as they're quite flexible and believe me, they can squeeze through tight spaces.
0.1 Super pastel
Right now I have a log but it's open on both ends...I HATE it! LoL...takes up alot of space and I don't feel like he's secure enough.... gonna find him a more secure one today. 2 hides correct? ?