NWOT Zilla Terrarium Liner and Litter Scoop. Liner is absorbent, non-abrasive carpet sheets that provide an easy, hassle-free solution to reptile substrate. Liners are non-irritating to sensitive feet and feature a biodegradable enzyme that fights reptile odors - green. Scoop has Built-in sifter that removes waste without trapping bedding. Wide 4 1/2' size cleans large terrariums fast. Right-angle design moves easily into corners. Make a necessary job quicker and cleaner - Black.