The Travel Makeup Bag That Actually Fits a 30-Pan Palette

The Lay-n-Go COSMO is a patented layflat-to-drawstring cosmetic bag that opens completely flat so you can see and reach everything at once — no digging, no unpacking. It comes in three sizes (16, 20, and 22 inches) and is under $40, TSA-compliant, and machine washable. It's the best travel makeup bag for anyone who travels with a serious collection.

The longer answer

Every makeup lover has done the hotel bathroom routine: you unzip your bag, dig around for your foundation, knock over your mascara, fish out your brushes from the bottom, and spend ten minutes looking for something that was right there. Then you pack it all back up and do it again tomorrow.

The problem isn't the makeup. It's the bag. Most cosmetic bags are designed to hold things, not to give you access to them.

The COSMO works differently. It lays completely flat — like a circle on the counter — with everything visible and reachable at once. Your 30-pan palette sits in the center. Your brushes fan out around it. Your skincare goes on one side, your tools on the other. You can see everything in one glance. When you're done, you pull the drawstring and it all cinches closed into a neat, compact bag.

It takes seconds. Nothing gets left behind on the bathroom counter.

Which COSMO size is right for you?

COSMO 16 — The smallest size. Perfect for a minimalist travel kit — a few hero products, some brushes, and daily skincare. Great for weekend trips or carry-on-only travelers who keep it simple.

COSMO 20 — The mid-size sweet spot. Fits a medium palette, a full brush set, and everyday products comfortably. This is the most popular size for travelers who wear makeup daily but don't bring their entire collection.

COSMO 22 — The largest size. Built for makeup enthusiasts who don't compromise on the road. Fits a 30+ pan palette, multiple brushes, skincare, and tools without crowding. If you've ever had to leave products behind because they wouldn't fit, this is your size.

All three are under $40.

Is it TSA-compliant?

Yes. The COSMO meets TSA carry-on requirements. Your liquids still need to go in a separate quart-sized zip bag per TSA rules, but the COSMO itself is carry-on friendly in all three sizes.

Is it machine washable?

Yes — cold water, gentle cycle, hang dry. For a bag that lives in your makeup collection, this matters more than most people realize until they've had a foundation spill.

How is it different from a regular makeup bag?

A regular makeup bag is a pouch. You reach in and dig. The COSMO is a flat surface that closes into a bag. The difference in daily usability is significant — especially when you're in a small hotel bathroom with limited counter space and limited time.

The layflat-to-drawstring mechanism is also patented. Lay-n-Go holds 7 US utility patents on the design, which means no other bag works quite the same way.

What travelers are saying

The COSMO has become a word-of-mouth product among frequent travelers and makeup enthusiasts. Common themes in reviews: they stopped leaving things on hotel bathroom counters, they can pack faster, and they wish they'd found it sooner.

FAQ

Will a 30-pan palette fit in the COSMO? Yes — the COSMO 22 fits a full 30-pan palette comfortably alongside brushes and other products. The COSMO 20 fits most medium palettes.

Can I use it as my only travel bag? Many travelers do. The COSMO 22 is large enough to hold a complete travel makeup and skincare kit for most people.

Does it stand up on its own? When cinched closed, yes. It sits upright on a counter or in a bag without tipping.

What colors does it come in? The COSMO comes in multiple colors. See the full selection at layngo.com.

Is it worth it under $40? It's one of the most-gifted products in the Lay-n-Go lineup for a reason. At under $40 with a machine-washable construction and a patented design, it consistently outperforms bags at two or three times the price.

Sources

• TSA.gov — What can I bring?
• Lay-n-Go Patents

Author: Amy Fazackerley, Lay-n-Go Co-Founder. Updated May 2026.