Inner fabric: 100.0% Latex Rubber
Outer shell: 16.0% Cotton, 59.0% Wool, 25.0% Polyamide
Use the balls within 1 months of opening the tube. De-pressurised balls lose their bounce after 2 weeks without use.
Do not wash.
Do not dry clean.
Do not iron.
Do not tumble dry.
Bleaching excluded.