I use the larger shoe box size for mine. https://www.amazon.com/gp/product/B01KOXDSWO/ref=ppx_yo_dt_b_asin_title_o03_s00?ie=UTF8&psc=1 I modify the lid and add an acrylic latch
https://www.amazon.com/gp/product/B07KBB2877/ref=ppx\_yo\_dt\_b\_asin\_title\_o02\_s00?ie=UTF8&psc=1 and four two inch vents to the sides for ventilation. Good for the larger T's.