SUNPACK 10" x 20" Heavy Duty 18-Cell Insert Tray
Best durable propagation tool for organized indoor and greenhouse seedling growth.
Elevate your gardening with the SUNPACK 10" x 20" Heavy Duty 18-Cell Insert Tray. This essential propagation tool is crafted from durable, BPA-free plastic, ensuring a healthy start for your seedlings. Its robust construction is designed for multi-year use, making it a sustainable choice for your greenhouse or indoor garden. The tray features 18 individual cells, perfectly sized for 3.3-inch square pots, keeping your young plants organized and protected. Simplify the process of nurturing flowers, herbs, and vegetables from seed to transplant with this convenient and reliable tray.
$20.99
Owner Satisfaction
4.6
/ 5
Category Rank
103
/ 591
#103 in Garden Pot Saucers & Trays
Price vs Category Average
-66%
Below average
Dimensions
20102
/ x x inches
Who it's for
- Professional growers using standard 1020 nursery systems
- Eco-conscious gardeners seeking durable, long-lasting propagation equipment
- Seed starters prioritizing healthy, stress-free root development
Who should skip it
- Beginners struggling with moisture management and drainage
- Commercial farmers needing high-volume seed starting capacity
- Budget-focused hobbyists looking for inexpensive, disposable trays
Performance breakdown
Structural Durability
Heavy-duty plastic construction withstands repeated handling and seasonal wear.
Organization Efficiency
Eighteen dedicated cells keep seedling batches perfectly aligned and separated.
Material Safety
BPA-free, food-grade plastic ensures no harmful chemicals leach into young plants.
Compatibility
Standardized sizing fits most 3.3-inch square pots with minimal wiggle room.
Portability
Rigid frame allows for easy transport of multiple seedlings without buckling.
Versatility
Reliable performance across both greenhouse environments and indoor windowsill setups.
Key Specs
Dimensions
20 x 10 x 2 inches
Cell Count
18 cells
Pot Compatibility
Holds 3.3" square pots
Material
Food-grade, BPA-free plastic
Quantity
1 tray per purchase
Intended Use
Plant propagation and seed germination
Color
Black
Height
2.0 inches
Features
- Heavy-duty for multi-year use
- 18 cells for organized seedlings
- BPA-free plastic for healthy growth
- Ideal for greenhouses and indoor setups
- Easy transport of multiple seedlings
- Compatible with 3.3in square pots
What customers say
Reviewers consistently highlight the exceptional quality and thickness of these trays, noting they significantly surpass standard flimsy inserts. The core theme is reliability; users value that these trays withstand repeated handling and multiple growing seasons without warping or cracking. This superior durability provides excellent long term value for serious gardeners. The heavy duty construction maintains structural integrity, even when fully saturated, simplifying the transplanting process for a better gardening experience.
Know before you buy
This tray is specifically designed to accommodate 3.3-inch square pots. The cells provide a snug fit to keep your pots stable and organized during the propagation process.
Yes, this tray is constructed from heavy-duty, BPA-free plastic. It is built to withstand multiple seasons of use, making it a more sustainable and reliable option compared to flimsy, single-use nursery trays.
Absolutely. While it is a popular choice for indoor greenhouses and seed starting setups, the durable material is suitable for outdoor use as well.
The tray is designed as a carrier for 3.3-inch square pots. It does not have individual drainage holes in the cells themselves, as it is intended to hold the pots that contain your plants and soil.
The tray measures 20 inches long by 10 inches wide and stands 2 inches high. This standard footprint fits easily on most greenhouse benches and indoor shelving units.
Still have a question?
Ask Hayley anything about this product before you decide.
Ready to buy?
$21