Where are these made?

I searched for info on this company, it appears they are a dental lab located in Ft Myers, FLA. That's why orders can take 3-5 days to arrive (5 for the West coast). On back of box for the pictured tray set, is the "Made in USA" logo, complete with American flag. Zoom in to see clearly.

Are they big enough for an adult?

They work fine for adults & will not cover molars. These are whitening trays. They are only meant to be used to whiten teeth and worn for a short period of time. If you need a nightguard, don't buy these. :)

which is top and bottom?

They are universal. - it does not matter

How long do the directions say to leave trays/gel in your mouth?

If you mean, while moulding them to your teeth: Just until they cool and have set to your teeth shape. If you mean when they're loaded with bleach: I wear mine about 60 minutes.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Whiter Smile Labs Teeth Whitening Trays BPA Free Thin Moldable Mouth Trays

Product ID: 44456822

Details

Brand
Whiter Smile
Item Form
Tray
Material Type Free
Bisphenol A
Number of Items
1
Product Benefits
Whitening

👜Compact storage case included

🦷4 custom-fit whitening trays

♻️BPA-free safe material

¥3172

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

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Description

✨ Smile Brighter, Live Bolder 🦷

SAFE SUSTAINABLE - Crafted from BPA-free materials, ensuring a toxin-free smile upgrade you can trust.
TRUSTED BY THOUSANDS - Join over 5,600 satisfied users who’ve elevated their smile with Whiter Smile Labs.
ALL IN ONE WHITENING KIT - Includes 4 trays plus a sleek storage case—whiten anytime, anywhere without hassle.
EFFORTLESS AT HOME WHITENING - DIY trays designed for easy gel application and a snug fit, making professional results accessible at home.
PRECISION FIT MAXIMUM COMFORT - Thin, moldable trays contour perfectly to your upper and lower teeth for a seamless whitening experience.

Whiter Smile Labs offers a set of 4 BPA-free, thin, thermoform teeth whitening trays designed for a comfortable, custom fit on both upper and lower teeth. The kit includes a convenient storage case and easy-to-follow instructions, enabling professional-grade whitening results at home. Lightweight and unflavored, these trays provide a safe, effective, and hassle-free way to brighten your smile.

Specifications

ASIN	B01N8S1ESE
ASIN	B01N8S1ESE
Age Range Description	Adult
Best Sellers Rank	#16,351 in Health & Household ( See Top 100 in Health & Household ) #19 in Teeth Whitening Kits
Brand Name	Whiter Smile Labs
Customer Reviews	3.9 3.9 out of 5 stars (5,669)
Date First Available	November 15, 2016
Flavor	Unflavored
Included Components	Mouth Tray
Item Form	Tray
Item Weight	2.08 ounces
Item model number	WSL-TC-2
Manufacturer	Whiter Smile Labs
Manufacturer	Whiter Smile Labs
Manufacturer Part Number	WSL-TC-2
Material Features	BPA Free
Material Type Free	Bisphenol A Free
Model Number	WSL-TC-2
Number of Items	1
Package Dimensions	4.72 x 2.95 x 1.85 inches; 2.08 ounces
Product Benefits	Whitening
Set Name	Whiter Smile Labs Thin Teeth Whitening Trays
Unit Count	5 Count

Common Questions

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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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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

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

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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¥3172

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

View all Trustpilot reviews