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European sizes are based on your child’s height in centimeters. Because kids of the same age can be different sizes, height is the best guide for fit.
Enter your child’s height in inches, and we’ll show the closest CM size range. This correlates to the first number in the size option. ie: 98 or 122. If CM sizing is not provided, simply choose the age provided.
💡 Tip: These are general guidelines. Always check specific brand size charts when possible, as sizing can vary between manufacturers.
Product Description
Keep packed lunches cooler and ready for the day with this reusable Gel Cooler Twin Pack. Designed to fit neatly under the sandwich divider in b.box lunch boxes or inside cooler bags, these compact gel coolers help snacks, sandwiches, fruit, and fresh lunch favorites stay chilled during school days, picnics, errands, and warm-weather outings.
With two coolers included, families can keep one in use and one in the freezer for easy rotation. Freeze overnight, tuck into a lunch box or cooler bag in the morning, and head out with a simple add-on that supports smoother lunch packing routines.
Why Parents Love It
- Reusable twin pack: Includes two gel coolers so one can be used while the other is ready in the freezer.
- Made for lunch routines: Helps keep packed foods cooler during school, daycare, travel, picnics, and everyday outings.
- Fits b.box lunch boxes: Slides under the sandwich divider in b.box lunch boxes or fits inside cooler bags.
- Compact and practical: Small, slim design is easy to pack without taking up too much lunch space.
- Easy to prep: Simply handwash and freeze overnight for next-day use.
- Helpful for little bumps: Can also be used to provide gentle cooling comfort for minor bumps and bruises.
Built for Real Outdoor Use
From school lunches to summer park days, this gel cooler twin pack is a practical add-on for families who pack food for time away from home. It is small enough for everyday use and helpful for keeping lunch routines simple when kids are headed to class, camp, trail walks, playgrounds, or backyard adventures.
Things to Know
- Pack size: Includes 2 gel coolers.
- Per cooler capacity: 2.7 fl oz.
- Material: EVA shell with gel fill.
- Compatibility: Designed to fit under the sandwich divider in b.box lunch boxes and inside cooler bags.
- Care: Handwash with warm soapy water.
- Prep: Freeze overnight before use.
Product Details
- Product: Gel Cooler Twin Pack
- Quantity: 2 coolers per pack
- Capacity: 2.7 fl oz per cooler
- Dimensions: 4.33 in H × 4.33 in W × 0.59 in D
- Materials: EVA shell with gel fill
- BPA-free: Listed as BPA-free
- Cleaning: Handwash with warm soapy water
- Best for: Lunch boxes, cooler bags, school, daycare, camp, picnics, travel, and warm-weather outings
Why ODSS Recommends It
We like this twin pack because it makes everyday lunch packing easier for families. Keeping one cooler in use and one in the freezer helps busy mornings run more smoothly, while the slim shape works well for school lunches, summer snacks, and food-packed family adventures. It is a simple, useful add-on for helping kids stay fueled through long days outside, at school, or on the go.
Product Features
Materials & Care
Washing Instructions:
Materials:
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Pairs well with
Frequently Asked Questions
What is b.box?
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FOUNDED BY WOMEN. BUILT FOR ADVENTURE.
ODSS was started by mothers who saw firsthand how time outside builds resilient, confident kids. What began as helping outdoor schools equip students for all-weather learning grew into a bigger mission: Help families raise resilient, confident kids by making it easier for children to stay outside longer.
Testimonials
For us, the right gear from ODSS supports what we believe most about childhood. When children are able to be outside every day, in all seasons, they become tenacious, confident, and develop an authentic relationship with the land.
— RAIN OR SHINE SCHOOL
Working with Outdoor School Shop has transformed our outdoor school community. Parents love knowing their children are consistently and reliably equipped—and that nothing is forgotten or comes home covered in mud.
— RANDOLPH SCHOOL
Our students get outside in all temperatures and having the right gear makes a world of difference. @outdoorschoolshop has gear appropriate for all seasons, has a directory to search for nature schools, and layering guides to help families know how to dress children for the weather
— HEMLOCK HILL
At The Thistle and Root, I always recommend ODSS gear for anyone who believes that children grow best through nature—so dress for it.
— THISTLE & ROOT
Ordering bulk with Outdoor School Shop was just as easy and seamless as I had hoped! As we open up a new program, preparing our first group of kiddos for any weather was at the top of our priority list, and ODSS came through with insight, expertise, and the coolest, most dependable gear around! Thank you ODSS!
— SIDNEY RIDGE
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