How come I can't use a heat tool for popping bubbles?

I think they are just afraid it will melt the mold. I still use a heat gun and haven't had any issues.

Is a release agent needed prior to use?

I didn`t need anything to take them out of the molds. I'm guessing using a release agent will make them easier to release.

Can anyone tell me if there is any deformation after receiving the molds?

No, they are well packed in the box without any deformation and the surface of the mold is smooth.

How do you remove air bubbles in the resin if you can’t use a heat gun or torch?

Use 91% alcohol. It pops bubbles. Also you’ll have less bubble if you set your resin In warm water for about 10/15mins before mixing it. I either sit my bottles in a sink of warm water or I set my poured cups in a bowl of war water. DO NOT HET WATER IN YOUR RESIN. Hope this helps.

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LET'S RESIN 18 Pcs Coaster Resin Molds Silicone, Coaster Molds with Round Square Octagon Shape Holder Molds for Epoxy Resin, DIY Art Craft Cup Mats

LET'S RESIN 18 Pcs Coaster Resin Molds Silicone, Coaster Molds with Round Square Octagon Shape Holder Molds for Epoxy Resin, DIY Art Craft Cup Mats

Product ID: 510897069

Details

Brand
LET'S RESIN
Colour
18pcs
Item dimensions L x W x H
8 x 8 x 6
Material
Silicone
Shape
Square

📏3.4-inch uniform coaster size

🔄18 pcs multi-shape set

🧼Glossy silicone for easy demold

62405CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎨 Mold your style, sip in sophistication!

VERSATILE STYLISH - Create chic coasters that complement coffee cups, wine glasses, mugs, plants, and elevate any space or event.
ALL IN ONE CREATIVE KIT - 15 coaster molds + 3 stylish holders for round, square & octagon shapes—perfect for bulk crafting or gifting.
PERFECT GIFT MAKING TOOL - Craft personalized housewarming gifts or party favors that stand out with professional-quality results.
TRUSTED QUALITY SUPPORT - Highly rated with 4.7 stars from 2,300+ users and backed by responsive customer satisfaction guarantee.
EFFORTLESS CRAFTING EXPERIENCE - Premium flexible silicone with a glossy interior ensures smooth demolding and flawless finishes every time.

LET'S RESIN offers an 18-piece silicone coaster mold set featuring round, square, and octagon shapes with matching holders. Designed for both beginners and pros, these 3.4-inch molds provide easy demolding with a glossy interior, enabling you to create uniform, stylish coasters ideal for home decor, gifts, or large events. Highly rated and reusable, this set combines versatility and quality for your DIY resin projects.

Specifications

ASIN	B0BKZ6ZH2S
Brand	LET'S RESIN
Brand Name	LET'S RESIN
Color	18pcs
Colour	18pcs
Customer Reviews	4.7 out of 5 stars 2,335 Reviews
Item Dimensions	8 x 8 x 6 centimeters
Item Type Name	coaster molds
Item dimensions L x W x H	8 x 8 x 6 centimeters
Manufacturer	LET'S RESIN
Manufacturer Part Number	ELR00207
Material	Silicone
Material Type	Silicone
Model Number	ELR00207
Number of Items	18
Number of Packs	1
Number of Pieces	18
Number of pieces	18
Shape	Square
Unit Count	18.0 Count

Reviews

M**L

goede

+goede producten

20.12.2024

C**N

Bon produit

Excellent moules, donne de beaux résultats, mais assurez-vous d’être de niveau.

27.06.2025

S**H

Conforme

Moules conformes, se démoule très facilement. Ravie de cet achat.

28.12.2023

V**S

Perfect for Beginners and Fun to Use!

I’m new to working with resin, but I absolutely loved making my own coaster sets with these LET'S RESIN silicone moulds! They’re super easy to work with, and the resin releases smoothly once cured. I really like that the set includes three different coaster designs—it makes it fun to mix things up and create unique sets. Great quality moulds and a perfect choice for beginners or anyone who enjoys resin crafting!

26.10.2025

M**R

They are fun and easy to make.

They come out perfect. They are easy to make.

17.08.2026

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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