A size L sweater has a bust circumference of 115 cm [45¼ inches] which in the given example would give you 12 cm [4¾ inches] of positive ease

The measurements for the finished blouse can be found on the front page of the pattern

Sizes: 1-2 (2-3) 3-4 (4-5) 5-6 (6-7) years

Ombukket ribkant med dobbeltstrik:

The white Marble Sweater is knitted in Kos by Sandnes Garn in the color Lys Marsipan [2310] held together with Alpakka Ull by Sandnes Garn in the color Almond [2511] held together with Peer Gynt by Sandnes Garn in the color Almond Tweed [2512] held together with Ballerina Chunky Mohair by Sandnes Garn in the color Hvit [1012]

Knapper af perlemor Ø15 mm - 6 stk 20/21 A size L sweater hasMother of pearl buttons in packs of 6 pcs suitable for Annas Summer Cardigan, Novice Cardigan Mini Chunky Edition, Ellen's Cardigan, Beginners Jacket in the smallest sizes, Novice Cardigan Mini Mohair Edition in the smallest sizes, Esther Vest, and Carls Cardigan Measurements: Diametre 15 mm Material: 100% mother of pearl. The buttons can be washed in the washing machine at 30C. Produced in China. Mother of pearl is a natural material, and variations