This silver stacking ring set is three slim bands in waterproof polished stainless steel: the Briar twisted ring, the Delilah flat band and the Wrenley cubic zirconia stacker.
The twisted Briar is about 1.2 mm thick, the Delilah band about 2 × 1 mm, and the Wrenley has tiny cubic zirconia of about 0.5 mm. You choose a size for each ring. Wear them stacked on one finger or spread across your hand.