RE ZRO pre-curved pad for an ergonomic fit Abrasion resistant covering for increased durability. Perforated foam pocket for increased comfort and durability. CE-certified EN1621-1 Level 1 Mesh cut-out back eliminates fabric bunching and irritation while adding air flow. Fully biodegradable, 100% Recyclable, Flexible, Lightweight Landfill microbes break down the carbon of RE ZRO plastic, leaving only biogas + biomass behind, returning to ZRO in just 3-5 years.