Peak Design
Peak Design BUP-PARENT Ultra Light Packing Cube
★★★★★
A featherweight, weatherproof packing cube available in multiple sizes that doubles as a mountable sling organizer.
$24.95*
Check availability
*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.
Notice a mistake? Let Us Know
Overview
Key Features
PACKING ULTRA-LIGHT: The Peak Design Ultralight Packing Cube is your go-anywhere travel organizer, thoughtfully designed with lightweight material to keep you organized for life on the road.
PERSONALIZED STORAGE: Available in a variety of sizes, this ultralight packing cube has a protective exterior that keeps your gear secure and in place – perfect for customizable organization in small spaces.
THE ULTIMATE TRAVEL COMPANION: Mount your packing cube to any Peak Design bag using the external carry strap pass-throughs, convert it into a sling bag using Cord Hook carry loops to attach a strap, or store it as an organizer in your pack.
BUILT TO ROAM: Crafted from a weatherproof, durable Terra Shell 50D material with taped seams and a #5 UltraZip, this cube is made for life on the road. Face and back coatings keep your clothes or gear dry no matter the conditions.
RADICAL PRODUCTS, RADICAL COMPANY: Peak Design creates industry-shifting, lifetime-lasting gear with a mission to leave the world better than we found it. No investors, no venture capital – just innovation on our terms.
Specifications
Brand
Peak Design
Model
BUP-PARENT
Material
Terra Shell 50D weatherproof fabric
Zipper
#5 UltraZip
Seams
Taped
Volume (Small)
10L
Volume (X-Small)
2.5L
Volume (XX-Small)
0.8L
Dimensions (Small)
30 x 17 x 13 cm
Dimensions (X-Small)
23 x 11 x 9 cm
Dimensions (XX-Small)
18 x 8 x 6 cm
Features
Weatherproof, carry strap pass-throughs, Cord Hook carry loops (strap sold separately)
Pros & Cons
👍 Pros
- Extremely lightweight Terra Shell 50D fabric adds minimal weight to your pack
- Weatherproof construction with taped seams protects contents from rain and moisture
- Multiple size options allow you to customize organization for different types of gear
- Carry strap pass-throughs and Cord Hook loops offer versatile mounting and carrying options
- Durable #5 UltraZip provides reliable closure over years of use
👎 Cons
- Strap for sling conversion is sold separately, adding to the total cost
- No internal dividers or pockets for sub-organization within the cube
- Limited structure means the cube conforms to bag shape rather than holding its own form
- XX-Small size at 0.8L is very compact and may only fit a few small accessories
Frequently Asked Questions
What sizes is the Ultralight Packing Cube available in?
It comes in three sizes — Small (10L, 30 x 17 x 13 cm), X-Small (2.5L, 23 x 11 x 9 cm), and XX-Small (0.8L, 18 x 8 x 6 cm).
Can this packing cube attach to a Peak Design bag?
Yes, it has external carry strap pass-throughs that let you mount it to any Peak Design bag for quick exterior access.
Can it be used as a standalone sling bag?
It has Cord Hook carry loops that allow you to attach a strap (sold separately) and wear it as a sling, though the strap is not included.
Is the packing cube waterproof?
It is made from weatherproof Terra Shell 50D material with taped seams and face and back coatings that keep contents dry, though it is not rated as fully submersible.
What type of zipper does it use?
It uses a #5 UltraZip, which is designed for durability and smooth operation over long-term use.
Related Products
