100 % Polyester
Satin Material

One size, No adjustments, Neck String attached on the pillbox

Front to back measures 8inches
Side to Side is about 7 1/4 inches

Circumference about 60.5 CM about 7 1/2 (Between L/XL)

Height is about 3 1/4 to 3 5/8 (depending on where you measure.)