Cheap Shoe Storage Boxes 3 Pack Clear Shoe Boxes Stackable with Magnetic Door, Front Opening Shoe Organizer, Sneaker Storage for Sneakerheads | Joom
Crep Protect Crep Crates 2 Pack – Rigouts | UK
If your looking for an alternative to Crep Protect boxes, the Container Store sells pretty much the same thing for cheaper. $10 each or $55 for a box of six. : r/Sneakers
Other accessories Crep Protect Crate 2.0 | Footshop