3 1/2" x 3 1/2" x 3 1/2" Square Fertil Pot - Case Qty of 740 End Wall Kits A: They are injection molded

A: They are injection molded out of polypropylene

This is a case of 288 square cells 1

These trays are made from extra heavy gauge clear plastic

Plus it is nearly invisible to human eye

3 1/2" x 3 1/2" x 3 1/2" Square Fertil Pot - Case Qty of 740 End Wall Kits A: They are injection moldedDescription Specs FAQs Fertilpots are biodegradable wood fiber pots composed primarily of Spruce (Picea Abies) fibers and are manufactured without the use of glues or binders. These are not peat pots! Fertilpots are truly biodegradable and are intended to be planted directly in the ground or the next larger container. Unlike rice hull pots, starch based polymers, or 'biodegradable' plastics, Fertilpots do not require a composting situation to degrade.