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ONE-der the Sea Birthday | Under the Sea Birthday Square Paper Coaster

4.7 out of 5 stars rating
632 Total Reviews |
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Square
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About Paper Coasters

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Paper Coaster
Create your own from scratch

Shape: Square

Don't be the nagging host sneakily slipping coasters under glasses. Add a personalised touch to your next party and make coasters fun with these fully customisable versions. Perfect for cocktail hours, wedding receptions and even kids' parties. Stock up today and never see a water ring again!

  • Square Dimensions: 10 cm x 10 cm (4" x 4").
  • Sold in sets of 6.
  • Available in 7 different shapes
  • Printed in full colour on one side.
  • Made with 50 pt. pulp board.
  • Sturdy, durable, absorbent and perfect for parties, weddings or branding your business.

About This Design

ONE-der the Sea Birthday | Under the Sea Birthday Square Paper Coaster

ONE-der the Sea Birthday | Under the Sea Birthday Square Paper Coaster

Bring a splash of magic to your little one’s celebration with these “ONE-der the Sea” under the sea birthday coasters! Featuring shimmering mermaid tails, colourful jellyfish, starfish, and a playful seahorse, these coasters are the perfect addition to an ocean-themed 1st birthday party. Designed with a sparkling aqua background and whimsical sea life details, they protect your tables while adding a fun decorative touch. Personalise with your child’s name and age to create a unique keepsake for guests. Ideal for mermaid parties, ocean adventures, or any under-the-sea birthday theme!
TinyMilestonesPrint
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United States
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Customer Reviews

4.7 out of 5 stars rating632 Total Reviews
521 total 5-star reviews80 total 4-star reviews15 total 3-star reviews8 total 2-star reviews8 total 1-star reviews
632 Reviews
Reviews for similar products
5 out of 5 stars rating
By Rachel S.1 April 2022 • Verified Purchase
Round Coasters
Zazzle Reviewer Program
My parents really loved these. Am really happy with how they turned out and that they're purchased individually, so you can order however many you want. Bought these at the same time as another gift but this item didn't turn up. Contacted Zazzle about this and they were on it straight away and immediately re-ordered more. Ended up with 2 sets as the 1st set turned up days before the 2nd set. Customer service was excellent. Printing turned out great, nice and clear.
5 out of 5 stars rating
By Jennefer M.28 September 2025 • Verified Purchase
Round Coasters
This is the second order of these coasters - I love the quality and that I can design them myself to fit my decor and when they are getting old and stained I can recycle them and order more! .
1 out of 5 stars rating
By Anonymous21 July 2025 • Verified Purchase
Square Coasters
I ordered 70 coasters all together. Only 27 came out ok. The print is very low quality and even the cut of the square is very rough. Very disappointing considering I spent nearly $200.

Tags

Paper Coasters
under the sea birthdayone der the sea partyfirst birthday coastersmermaid party suppliesocean theme birthdaypersonalised birthday coasterssea life birthday décorkids birthday party ideascustom party coastersgirl birthday decorations
All Products
under the sea birthdayone der the sea partyfirst birthday coastersmermaid party suppliesocean theme birthdaypersonalised birthday coasterssea life birthday décorkids birthday party ideascustom party coastersgirl birthday decorations

Other Info

Product ID: 256758018054833109
Added on 10/9/25, 4:10 pm
Rating: G