You will need 3 buttons. Sirdar used their buttons # B5611-0026.

Finished measurements:
Finished length 10.75(11.5, 12.5, 15)“ 27( 29, 32, 38) cm
Sleeve length : 6(6.5, 8, 9.5)” 15(17, 20, 24) cm

Yarn used:
Sirdar Snuggly Cashmere Merino Silk DK
Shade 301 Mother Goose - 3(4, 5, 6) balls

This pattern is available online only through the printed or eBook Sirdar 563 Snuggly Favorites.

A softly shaped cardigan shape with softly rounded collars and fastened with three buttons is an extra layer to keep your baby comfortable on all their adventures.