This is the Eleganza Thread pack required for the Chirp Quilt kit.
 
Eleganza Thread Pack includes:
#8 EZ06, 29, 36
#8 EZM28, 30, 31, 84, 85, 103, 108
#5 EZ14, 18, 48
#5 EZM 20, 29, 53, 104, 105
 
You can purchase separately or purchase with the Chirp Quilt Complete Kit.