Costco: Kirkland Signature Diapers Size 1-2 $29.9 Size 3-6 $39.9)

August 29th 2026

Kirkland Signature diapers on sale 8/29-8/30 only. $10 off regular price. I believe it's the same price in store now.

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Costco: Kirkland Signature Diapers Size 1-2 $29.9 Size 3-6 $39.9)

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