It is a size 10, bedspread weight, 3ply cotton thread.
Aunt Lydia's Classic 10 Crochet Thread
Aunt Lydia's Crochet Thread - Size 10 - Cardinal Red
Aunt Lydia's® Classic Cotton Crochet Thread
Aunt Lydia's Crochet Thread - Variegated - Size 10
Hilo De Ganchillo De La Tía Lydia, Tamaño 10, Rojo Cardena
Aunt Lydia's Classic 10 Crochet Thread - Mint Green (428
Coats & Clark Aunt Lydia's Blue Crochet Thread, 350 yd
Aunt Lydias Crochet Cotton Classic Crochet Thread Oman
1-3 Ply - Fingering Thread - #0 - CRAFT2U
Aunt Lydia's Classic Crochet Thread Size 10-Cardinal 154-196
Lacy Heart Runner Crochet Kit
Aunt Lydia's Classic Crochet (Size 10)