"The UQP will help keep your underquilt clean and is great for helping retain warmth in your underquilt on windy and/or rainy days. The UQP is designed to cover a full-length underquilt, not the hammock body. 
 
The protectors have shock-corded side adjusters to snug up the protector to the underquilt. Each end has ample shock cording to attach to the hammock suspension.  The UQPs are made with DutchWare Argon 90 fabrics.
 
Spring 2021 update: This protector now comes in its own mesh stuff sack!"
 
This UnderQuilt Protector is the 2QZQ design, now produced and sold by Dutchware.