Your search for "mustard yellow" revealed the following:

5 Inch | Sempertex (Betallatex) Latex Balloons | Package 10

$1.95

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Matte Pastel Yellow | Sempertex LINK-O-LOON® Latex Balloons | 6 Inch

$3.00

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18 INCH | Sempertex (Betallatex) Latex Balloons | Package 6

$5.00

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