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.

Lets Resin 18 Pcs Coaster Resin Molds Silicone Coaster Molds

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎉 Mold your masterpiece, sip in style!

SHAPE YOUR STYLE - Mix & match shapes to craft personalized coasters that elevate your home or gift game.
PERFECT GIFT MAKER - Create stunning, custom coasters ideal for housewarmings, holidays, and unforgettable celebrations.
MULTI RESIN COMPATIBLE - Works seamlessly with epoxy, polyurethane, UV resin & more—unleash your artistic freedom.
ALL IN ONE CREATIVITY KIT - 18-piece set with round, square & octagon molds plus holders—more molds, more magic!
PREMIUM SILICONE FLEXIBILITY - Durable, reusable, and easy demolding for flawless resin art every time.

LET'S RESIN offers an 18-piece silicone coaster mold set featuring round, square, and octagon shapes with holders. Crafted from premium flexible silicone, these molds ensure easy demolding and compatibility with various resins including epoxy and UV resin. Perfect for DIY enthusiasts and professionals alike, this set empowers you to create personalized, stylish coasters ideal for home décor or gifting.

Specifications

ASIN	B0BKZ6ZH2S
Best Sellers Rank	#497,368 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #116 in Candy Moulds
Brand	LET'S RESIN
Brand Name	LET'S RESIN
Colour	18pcs
Customer Reviews	4.7 out of 5 stars 2,072 Reviews
Item Dimensions	8 x 8 x 6 Centimeters
Item Type	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 Pieces	18
Shape	Round,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

K**S

Quality molds and selection

Nice molds with glossy finished projects. The assortment of shapes and inclusion of holders are a great addition to my mold collection. They hold their shape and wash up well. Highly recommended

13.04.2026

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

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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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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.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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