Dekoni lists pad dimensions as 102 × 92 mm and 62 × 48 mm; thickness 24 mm.
Sound / ANC
Dekoni describes the pads as offering tuned sonic performance. Its product page identifies several material options, including Stellia; the acoustic effect may vary by material.
Dekoni’s own product page names Stellia in the product title, says the earpads are engineered specifically for Stellia, lists Stellia under fits/verified fits, and offers a Stellia material option. The page gives dimensions of 102 × 92 mm, 62 × 48 mm, and 24 mm thickness, and describes the pads as providing tuned sonic performance.