Common widths run about 20.9 in to 26 in, while seat depths (lengths) commonly range from about 44 in up to 80 in. Thickness varies by design (see thickness-specific listings when choosing a cushion to match your chaise).
Many cushions offer water-resistant or water-repellent finishes and UV/fade resistance; at least one listing specifies an explicit UPF50+ rating to resist sun fading.
Several options include built-in ties, multiple robust ties, or ropes for fastening; listings commonly note that cushions ‘attach with ties’ to secure them to the frame.
Both: several options are sold as sets of two cushions, while others are offered as single cushions.
Yes—some listings describe foldable designs for easier storage and others note reversible cushions you can flip to extend lifespan and refresh the look.