Recommendations for collection cups

Hello!! I am currently 5 weeks postpartum. I think i have a good supply. I have a lot of letdown specially if a good amount of time passes between feeds. I find myself leaking a lot specially throughout the nights while sleeping. I am going back to work soon and i don’t want anything to go to waste so baby can be fed when im not around. Is there any collection cup that is not collapsible (like a hard shell) any of you guys recommend so i can use it even while laying down or taking a nap and for them to not leak that much. I do have DD currently