Harvest Keeper 50pk 15in x 20in Precut Bags Black/ Black (8/CS)

Harvest Keeper Pre-cut Vacuum Seal Bags are BPA-free, FDA-approved food-safe bags designed for use with vacuum sealers. Each 50-pack contains 15 in × 20 in black/black bags that create an airtight seal to keep vegetables, meats, and harvested plant material fresh up to five times longer than conventional storage. Pre-cut to size, they save prep time and reduce odors while maximizing available storage space.

Harvest Keeper 50pk 15in x 20in Precut Bags Specifications

The table below summarizes the physical and packaging specifications for this item, drawn from supplier and dimensional data for SKU HGC744360.

Specification	Value
Bag Dimensions	15 in × 20 in
Pack Quantity	50 bags per pack
Case Pack	8 packs per case (8/CS)
Color	Black / Black (opaque both sides)
Material	BPA-free, FDA-approved food-safe film
Package Weight	3.49 lb
Package Dimensions (L × W × H)	15.3 in × 2.2 in × 11.0 in
Supplier SKU	HGC744360
Brand	Harvest Keeper

Why Choose Harvest Keeper Precut Vacuum Seal Bags

Harvest Keeper Pre-cut Vacuum Seal Bags are a reliable storage solution for growers who need to preserve harvested produce, cured material, or other perishables without investing significant time in bag preparation. Several qualities make them a practical choice for hydroponic and home-grow operations alike.

• Extended freshness: The airtight vacuum seal locks out oxygen and moisture, keeping contents fresh up to five times longer than unsealed bags or conventional containers, according to the product description.
• Food-safe materials: Bags are manufactured from BPA-free film certified as FDA-approved for food contact. This matters when storing edible produce, herbs, or any plant material intended for human consumption.
• Opaque black construction: Both sides of the bag are black, blocking light from reaching stored contents. Light degradation is a common cause of quality loss in dried plant material; the opaque design helps minimize it.
• Pre-cut convenience: Bags arrive ready to use at 15 in × 20 in. There is no cutting or measuring required, which reduces preparation time and material waste compared to roll-format vacuum bag products.
• Freezer burn prevention: The sealed environment reduces moisture migration, which is the primary mechanism behind freezer burn on meats and vegetables stored long-term.
• Odor control: The airtight seal also contains odors inside the bag, making these suitable for storage in shared spaces or commercial post-harvest handling environments.

The 15 × 20 in dimension is a general-purpose size that accommodates a wide range of product types — from whole vegetables to larger harvested quantities — without requiring an oversized sealer jaw.

Best Uses for Harvest Keeper Precut Vacuum Seal Bags

These bags are intended for use with standard vacuum sealer machines wherever extended shelf life and odor containment are needed. Common applications include:

• Post-harvest produce storage: Sealing fresh vegetables, fruits, and herbs from a grow cycle to extend their usable window before consumption or processing.
• Long-term freezer storage: Meats, prepared foods, and blanched produce benefit from the airtight seal, which prevents freezer burn during extended cold storage.
• Dried herb and plant material preservation: The opaque black film blocks light and the vacuum seal removes oxygen, both of which degrade dried plant matter over time.
• Bulk portioning: The 50-bag count and 15 × 20 in size are practical for growers and small operations that process larger quantities per session and need consistent bag sizing.
• Odor-sensitive storage environments: Commercial grow facilities and shared storage areas benefit from the sealed environment that contains product odors.
• Seed and propagation material archival: Vacuum-sealing seeds or clonal material in food-safe bags reduces oxygen exposure and extends viability during off-season storage.

If you are comparing storage options, growers who prefer rigid containers for curing may want to look at the CVault airtight storage container as an alternative to bag-based vacuum sealing.

Harvest Keeper Precut Bags vs Similar Products

The Harvest Keeper 15 × 20 in bags are one of several precut size options in the same product line. The key distinction between this SKU and smaller formats (such as the 11 × 18 in variant) is the larger bag area, which is better suited to bulkier harvests or larger cuts of meat. For smaller yields or tighter storage spaces, the 11 × 18 in format may be more economical per bag.

Compared to roll-format vacuum bags, precut bags trade some flexibility in length for consistency and speed — you do not need to cut and seal one end before loading, which reduces prep time per bag. Roll-format bags may be preferable when item sizes vary significantly from batch to batch.

The black/black (fully opaque) construction differs from black/clear variants in the Harvest Keeper line. Black/clear bags allow visual inspection of contents without opening; black/black bags prioritize complete light blocking over visibility. For light-sensitive dried plant material, the black/black configuration is generally preferred. For food items where identifying contents at a glance is useful, a clear-face variant may be more practical.

At the case level (8 packs of 50 bags each), the per-bag cost is lower than purchasing individual packs, making this format suitable for operations with consistent, ongoing vacuum-sealing needs rather than occasional household use.

Compatibility

These bags are designed for use with standard external vacuum sealers that accept flat pre-cut bags. They are compatible with most consumer and prosumer vacuum sealer machines that use a clamping jaw to evacuate and heat-seal the open end of the bag.

The 15 × 20 in bags require a vacuum sealer with a jaw or seal bar at least 15 inches wide. Verify your machine’s maximum bag width before purchasing. Most countertop food vacuum sealers in the 11 – 15 in jaw range will accommodate this bag width; larger commercial units will as well.

Because the bags are made from standard vacuum-seal film, they are compatible with both suction-style (external) sealers. Chamber vacuum sealers can also be used with these bags, provided the bag dimensions fit within the chamber cavity.

These bags are not intended for use as sous vide pouches at temperatures above what standard food-safe vacuum bag film is rated for. Consult your vacuum sealer’s manual and the bag manufacturer’s documentation regarding maximum temperature ratings for any cooking applications. For grow environment setup and environmental control equipment, see the Grow Shop Outlet 48x48x78 grow tent as a complementary product for post-harvest staging areas.

Usage Guidelines

Follow these steps for reliable sealing results with Harvest Keeper precut vacuum seal bags:

1. Inspect the bag: Before loading, check for any visible defects, punctures, or manufacturing imperfections along the sealed edges. Discard any damaged bags.
2. Load the contents: Place the item(s) into the open end of the bag. Leave at least 2 – 3 inches of empty bag above the contents to allow the vacuum sealer jaw enough material to create a clean seal.
3. Position in the sealer: Insert the open end of the loaded bag into the vacuum sealer’s bag channel or jaw, following the instructions for your specific machine model.
4. Seal the bag: Activate the vacuum and seal cycle. The machine will evacuate air and heat-seal the open end. Allow the seal bar to cool fully before removing the bag (most machines signal this automatically).
5. Inspect the seal: Check that the sealed strip is continuous, uniform, and shows no gaps or bubbles. A compromised seal will allow air ingress and reduce storage life. Re-seal if needed, trimming 0.5 in above any failed seal area before reloading.
6. Label and store: Label the sealed bag with contents and date before placing in refrigerator, freezer, or cool dry storage. For dried plant material, store in a dark location to complement the light-blocking properties of the black bag film.

For produce with sharp edges or bones (such as some root vegetables or cuts of meat), consider wrapping in a paper towel or soft layer before bagging to prevent puncturing the bag during the vacuum cycle.

Sources & Further Reading