Your search for "mustard yellow" revealed the following:

Oval Honeycomb Garland Decorations | Various Colors
New
Out stock
$4.50
Dinosaur Latex Balloons | 12 INCH | Pkg 6
New
Out stock
$6.00
Ombre Candy Corn Balloon | 17 INCH
New
Out stock
$3.50
Margarita Glass Foil Balloons | 36 Inch
New
Out stock
$6.50
All In One Starburst Foil Balloon | Various Colors | 22 Inch and 27 Inch
New
Out stock
$5.50
QuickLink® Qualatex Latex Balloons | 6 INCH | Package 10
New
Out stock
$3.00
Tissue Paper | 20x30 Inch | Package 10
New
Out stock
$4.95
9 INCH | Qualatex Latex Balloons | Package 10
New
Out stock
$3.25
WILD ONE Custom Latex Birthday Balloons
New
Out stock
$16.90
260 | Qualatex Modeling Latex Balloons | Package 10
New
Out stock
$3.90
18 Inch | Heart Shaped Foil Balloons | Various Colors
New
Out stock
$1.95
Minion Balloons | Stuart with Guitar | 28 Inch
New
Out stock
$6.50