Are these trays flimsy?

I've been using my Mr Penn tray for about 2 months they are sturdy.

What kind of plastic are these made of?

The trays are made of sturdy plastic. They are not flimsy and hold their shape well. Have not had any problems with handling the weight of the 2" or 3" seed starter pots.

Anyone use them with a heat mat?

I am using them with a heat mat currently with no issues

Does the tray have no drainage holes? Conflicting answers - some person say NO HOLES; another says ONE HOLE.

The trays I have do not have any holes. They just have the raised areas that run the length of the tray. So when you put your pots in the tray and water them the water that comes out the bottom will settle below the bottom of your potted plants.

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Mr. Pen- Seed Starter Trays, 5 Pack, 17"x10"x2.4"

Product ID: 489880166

Details

Color
Black
Material
Plastic
Planter Form
Tray
Special Feature
Lightweight
Style
Modern

📏17x10x2.4 inches - perfect seed depth

🪴5-pack for multi-plant projects

♻️Reusable & durable plastic

R$823

Duties & taxes included

In stock

Sold byAmazon BrazilDelivered 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 Brazil.

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Description

🌱 Grow smarter, not harder — your garden’s new MVP!

CONTAIN CONQUER - Raised edges keep soil, water, and fertilizer neatly contained for a mess-free growing experience.
GROW ANYWHERE ANYTIME - Ideal for indoor, outdoor, and greenhouse use—perfect for beginners and seasoned gardeners alike.
VERSATILE COMPATIBILITY - Works seamlessly with heat mats, humidity domes, and hydroponic systems for pro-level gardening.
MAXIMIZE YOUR GREEN THUMB - Generous 17x10 inch trays provide ample space for diverse seedlings and microgreens.
BUILT TO LAST DESIGNED TO REUSE - Sturdy, lightweight plastic ensures long-term use and easy cleaning—cut waste, save money.

Mr. Pen Seed Starter Trays come in a convenient 5-pack, each measuring 17x10x2.4 inches, crafted from durable, reusable plastic. Designed to contain soil and water efficiently, these lightweight trays support seed germination, microgreens, and sprouts indoors or outdoors. Compatible with heat mats and hydroponic setups, they offer a versatile, mess-free solution for gardeners seeking sustainable, cost-effective plant propagation.

Specifications

ASIN	B09H4JNWKL
Best Sellers Rank	#22,701 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #33 in Plant Germination Trays
Brand Name	Mr. Pen
Capacity	6.7 liters
Color	Black
Customer Reviews	4.5 4.5 out of 5 stars (1,447)
Included Components	Tray
Indoor Outdoor Usage	Indoor
Item Dimensions	17 x 10 x 2.4 inches
Item Dimensions D x W x H	17"D x 10"W x 2.4"H
Item Weight	16 ounces
Manufacturer	Mr. Pen
Material Type	Plastic
Mounting Type	Floor Standing
Number of Pieces	5
Other Special Features of the Product	Lightweight
Pattern	Solid
Plant or Animal Product Type	['flower', 'vegetable']
Planter Form	Tray
Product Style	Modern
Set Name	Seed Starter Trays 5 Pack
Shape	Rectangular
Size	5 Pack
UPC	810053335215

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R$823

Duties & taxes included

In stock

Sold byAmazon BrazilDelivered 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 Brazil.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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