TFR offers Tubular nylon shock cords with loops sewed on both ends.The shock cords are a soft feel and pack up very small. The 1" and 9/16" are made of a climbing spec tubular nylon and work very well for high power rocketry. The 1/2" works very well for mid power rocketry
TUNSC-1"X25' 4200lb test $19.95 High Power
TUNSC-9/16" X 15' 2300lb test $14.95 High Power
TUNSC-1/2" X 10' 1000lb test $10.95 Mid Power
Top Flight Recovery LLC
High Quality Parachutes for Model and High Power Rockets - Made in the USA
S12621 Donald Road - Spring Green, WI 53588
NEW ITEMS
KEVLAR SHOCK CORDS
7/16" wide flat braided Kevlar Cord
KSC-7/16" 1500lb test 
$1.80 / yard
Tubular Kevlar
TUK-1/8" 1200 lb test for 1-3" rockets $1.80 / yard
TUK-1/4" 3600 lb test for 3"-5" rockets $2.25 / yard
TUK-1/2" 7200 lb test for 5" and larger rockets $3.50 / yard
