Biodegradable Slider Pencil Cases are made from acid-free, archival quality polypropylene which contains an additional additive that allows it to biodegrade when tested according to the ASTM D5511.*

* Slides open for easy access to pens, pencils and more
* Features snap closure
* Assorted colors include blue, aqua, purple, pink

*ASTM testing indicates that when buried in a microbial landfill, the polypropylene in this product will biodegrade in two to five years. Because of the wide variation in landfill systems, actual timing may vary. Incidental parts (snap closure) are not expected to biodegrade.