This is the Recovery Wadding from Estes.
Suitable for Ages 10 & Older with Adult Supervision for Those Under 12.
Flame resistant recovery wadding protects the recovery system and
is necessary to launch model rockets
Wadding is absolutely necessary to launch model rockets
Includes enough sheets for approximately 18 to 25 flights
Package includes recommendations for the number of sheets to use
for what size body tube
Approximately 75 square sheets