Measurements:
Mask: One size fits most
Hose: 22.1 length. 40mm thread
Bottle holds up to 1L of liquid

Materials:
Mask: Silicone. aluminum. polycarbonate
Hose: Rubber. aluminum. fabric
Bottle: HDPE. PVC

Color: Black. White

Note: One size fits most

Key Features:
Premium silicone head harness
One-way breathing valve
Includes hose and aroma bottle