Measure Your Size and Check Size Chart Image from Product Page before Selecting the Product.

Band size (underbust): measure under your arms, high on your back, and across the top of your chest.
Bust size (overbust): measure loosely around the fullest part of your bust.

Size is strict to UTOVME manufacturer size chart, please do not refer to other brands.
Size Chart could refer to below information or from the last product image

Suggestive Size

M: 30C 30D 30DD 32A 32B 32C 34A 34B
L: 32D 32DD 34C 34D 36A 36B
XL: 34DD 36C 36D 38A 38B 38C
XXL: 36DD 38D 38DD 40B

• Not US standard size: Underbust Measurement: M=28-32", L=32-34", XL=34-36", XXL=36-38"
• Wirefree, with adjustable straps, comfortable and invisible under clothing
• Soft and elastic material, present one-hand access when nursing
• Hand wash with in cold water recommended
• Offer secure, comfort support for both mothers and babies

Not US standard size: Underbust Measurement: M=28-32", L=32-34", XL=34-36", XXL=36-38"