We were able to do so multiple times by cleaning and rinsing with dishwashing soap and water, then 20 minute soak in household bleach 10:1 dilution, then rinse in tap water, then dip in 91% isopropyl alcohol and leave on rack face down to dry. Nothing seemed to grow in autoclaved agar in 24 hours.

They are not marked sterile, but after 20 plates of mushroom clones I've have one plate with contam and that likely came off the original mushroom.

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30Pcs 90 x 15mm Plastic Petri Dishes,Culture Dish with Lids for School,Laboratories Themed Party

30Pcs 90 x 15mm Plastic Petri Dishes,Culture Dish with Lids for School,Laboratories Themed Party

Q: has anyone sterilized these in a pressure cooker? if so, how do they hold up?

This petri dish is not suitable in the pressure cooker and cannot use for hot water.

Product ID: 207662206

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Details

Brand
Hamiggaa
Material
Plastic
Color
Transparent
Item Weight
0.44 Kilograms
Item Diameter
9E+1

📏90x15mm perfect size

🔬30 pcs for bulk projects

🛡️High-quality durable plastic

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Description

🔬 Elevate your experiments and parties with precision and style!

DURABLE TRANSPARENT - Crafted from premium plastic for clear visibility and reliable use in labs or classrooms.
VERSATILE BEYOND SCIENCE - Perfect for school projects, medical-themed parties, or even unique gift packaging.
OPTIMAL SIZE FOR PRECISION - Each dish measures 90 x 15mm, ideal for detailed lab work or creative molds.
PROFESSIONAL EDUCATIONAL - Designed for lab training, microbiology, and mycology studies—serious science meets fun.
BULK READY FOR ANY EXPERIMENT - 30 clear petri dishes with lids to fuel your scientific creativity or themed events.

This set of 30 high-quality, transparent plastic petri dishes (90 x 15mm) with lids is perfect for educational, laboratory, and creative uses. Durable and versatile, they support scientific experiments, school projects, and themed events, making them a must-have for professionals and enthusiasts alike.

Specifications

Manufacturer	Hamiggaa
Brand	Hamiggaa
Item Weight	15.5 ounces
Package Dimensions	12.95 x 9.09 x 4.21 inches
Item model number	kaawdqel
Color	Transparent
Material Type	Plastic
Number of Items	30
Manufacturer Part Number	kaawdqel

Have a Question? See What Others Asked

has anyone sterilized these in a pressure cooker? if so, how do they hold up?

Can these be reused?

Are these sterile?

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TrustScore 4.5 | 7,300+ reviews

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Great price for an authentic product. Fast international shipping too!

3 weeks ago

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4 days ago

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175.60 DT

Duties & taxes incl.

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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