How big are these and could they be folded to fit in a 2 liter bottle?

2 Liter plastic bottles will not protect from oxygen passthrough in long term food storage scenarios. You might consider a container with less oxygen passthrough. Glass or mylar bags. 300cc bags are recommended for a gallon so a 200cc bag is likely a better fit for a 2 liter bottle.

what is shelf life of packets?

I reseal my bags because they get hard fairly quickly. I've had sealed bags for a year that are still good. I buy in bulk. I wouldn't trust storing them in just the clear bags they come in because over time air can get in. I store my original sealed bags of o2 absorbers in either jars or a sealed Mylar bag.

vienen 10 por paquete / 10 unit per pack

Does it matter where you put them in the jar, for example ,oo the top or on the bottom

I put them on the top of the food and seal them immediately with a vacuum sealer

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FreshUS 300cc Oxygen Absorber(10 individual pack of 10 Packets, Total 100 Packets) - Long Term Food Storage (100, 300 CC)

FreshUS 300cc Oxygen Absorber(10 individual pack of 10 Packets, Total 100 Packets) - Long Term Food Storage (100, 300 CC)

Product ID: 362519315

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Details

Material
Synthetic
Brand
FreshUs
Colour
White
Manufacturer
FreshUs
UPC
643307789461

📦100 total packets for bulk storage

🔒compatible with mason jars & vacuum bags

🧪300cc oxygen absorption power

Description

🛡️ Keep your pantry future-proof with FreshUS Oxygen Absorbers!

COMPACT YET POWERFUL - New smaller packet design delivers the same guaranteed effectiveness.
VERSATILE COMPATIBILITY - Perfectly fits mason jars, Mylar bags, and vacuum bags for all your storage needs.
BULK SUPPLY BULK SAVINGS - 100 packets in 10 individual packs ensure you’re always stocked and ready.
CERTIFIED QUALITY ASSURANCE - FreshUS certified for reliability—return if packaging is compromised or indicator turns blue.
MAXIMIZE FRESHNESS MINIMIZE WASTE - 300cc oxygen absorption locks in flavor and nutrients for long-term food storage.

FreshUS 300cc Oxygen Absorbers come in a bulk pack of 100 packets (10 packs of 10), designed for long-term food preservation. These certified absorbers effectively remove oxygen to extend shelf life, fitting seamlessly into mason jars, Mylar bags, and vacuum bags. The upgraded smaller packets maintain the same absorption power, ensuring freshness and quality in every use.

Specifications

Manufacturer	FreshUs
Brand	FreshUs
Package Dimensions	26.9 x 19 x 3.81 cm; 730 g
Colour	White
Material Type	Synthetic Rubber
Size	300 CC
Item Weight	730 g

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