simplehuman code B custom fit liners. simplehuman Code B Custom Fit Trash Can Liner, (360 Count), 6 Liter / 1. 6 Gallon. Tailored to perfectly fit simplehuman cans so they don't slip and the bag stays completely hidden when the lid is closed. Convenient drawstring handles are easy to lift, tie and carry. Extra durable plastic and thick double seams prevent rips and tears. Handy dispenser packs have a perforated opening for easy dispensing. 360 Liners. simplehuman custom fit trash can liners are designed to fit each of our cans perfectly so there is no messy bag overhang or bunching — and they never slip. Extra-thick plastic and double-seam construction prevent rips and tears. Strong drawstring handles make the liners easy to lift, tie, and carry.