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Archie Mcphee Instant underpants. Just add water one pair

  • Based on 3,182 reviews
Condition: New
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$7.49 Why this price?
Save $18.50 was $25.99

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90-day refund / replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

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Availability: Only 1 left in stock, order soon!
Fulfilled by Amazon

Arrives Tuesday, Aug 19
Order within 5 hours and 54 minutes
Available payment plans shown during checkout

Date First Available ‏ : ‎ February 1, 2018


Best Sellers Rank: #66,143 in Clothing, Shoes & Jewelry (See Top 100 in Clothing, Shoes & Jewelry) #13,421 in Men's Fashion #38,207 in Women's Fashion


#13,421 in Men's Fashion:


#38,207 in Women's Fashion:


Customer Reviews: 4.4 4.4 out of 5 stars 3,182 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Aug 19

Yes, absolutely! You may return this product for a full refund within 90 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Many Laughs
Size: Medium (Pack of 1) Color: White
Great stocking stuffers, had many laughs.
Reviewed in the United States on July 5, 2025 by Rachael

  • Fun gag gift
Size: Medium (Pack of 1) Color: White
Fun gag gift
Reviewed in the United States on May 22, 2025 by MKW

  • Funny
Size: Medium (Pack of 1) Color: White
Got great laughs
Reviewed in the United States on July 29, 2025 by Tanya Eischeid

  • Hilarious
Size: Medium (Pack of 1) Color: White
This product was by far the funniest gag joke item I've ever seen. What a hoot!
Reviewed in the United States on March 24, 2025 by Kathy Moore

  • Funny White Elephant gift
Size: Medium (Pack of 1) Color: White
For the first time family decided an Adult White Elephant gift exchange was needed this year. We decided the amount and the gifts would not be opened until the end. Well this gift had everyone roaring when opened. However the recipient kept asking why they needed to add water, which only made it funnier. ... show more
Reviewed in the United States on December 26, 2024 by Drsgirl

  • Much smaller than pictured
Size: Medium (Pack of 1) Color: White
Bought as a gag gift, never used it but I was surprised how small the can is. I think its over priced. Bit got a lot of laughs and was a good gift. I wonder if it actually works.
Reviewed in the United States on January 9, 2024 by radiskull666

  • 10/10
Size: Medium (Pack of 1) Color: White
Saved my life 10/10. Would Eat that gas station sushi again.
Reviewed in the United States on June 6, 2025 by jordan

  • Great
Size: Medium (Pack of 1) Color: White
Great joke gift!
Reviewed in the United States on March 26, 2025 by Kim McM

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