Your search for "slate blue" revealed the following:

11 INCH | Tuftex Latex Balloons | Package 10

$3.50

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5 INCH | Tuftex Latex Balloons | Package 10

$2.15

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24 INCH | Tuftex Latex Balloons | Each

$1.95

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17 INCH | Tuftex Latex Balloons | Package 6

$4.25

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