Blauw
The Guppyfriend Washing Bag
The Guppyfriend Washing Bag
- 4.93 RATING
- MADE FROM OCEAN PLASTIC
- FREE SHIPPING & RETURNS
Over 4,000+ shorts shipped in the US
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The Guppyfriend Washing Bag is the only scientifically approved solution to reduce microfiber shedding from synthetic clothing. By using this microplastic washing bag, you prevent up to 90% of microfibers from entering our waterways. This sustainable washing accessory protects your clothes and the ocean in one simple step.
Developed in collaboration with scientists, surfers, and ocean advocates, the Guppyfriend bag captures tiny plastic fibers released during machine washes, reducing microfiber pollution and extending the life of your garments. Ideal for washing recycled swimwear like your Blauw shorts.
Material
Material
The Blauw Shorts are made of 100% SEAQUAL® fabric, a high-quality, durable material woven from upcycled marine plastic. SEAQUAL® is known for containing the highest proportion of recovered ocean plastic of any textile on the market.
Features
Features
- Water repellent and quick drying
- Chlorine and salt water resistant for long-term durability
- Ultralight and minimal waistband for low profile in water
- Lightweight and breathable for comfort out of the water
- 5” inseam for mobility
Shipping
Shipping
Ships from our NYC warehouse in 1-2 business days.



Find Your Fit - Sustainable Swim Shorts Size Guide
At Blauw, we design recycled swim shorts that are tailored for comfort, movement, and timeless style. All while staying true to our commitment to sustainable swimwear for men.
Our swim shorts are made from 100% recycled ocean plastic and feature a 5-inch inseam for a clean, versatile look that works whether you're on the beach, by the pool, or out exploring. Use the size chart below to find your ideal fit and make the most of your sustainable swimwear experience.
Blauw shorts are designed to have a lose fit. If you are in between two sizes, we recommend to go for the bigger one. Contact us if you are not sure!
S | M | L | XL | |
Waist inches | 29 1/2'' - 32'' | 32" - 35" | 35" - 38" | 37" - 41" |
Waist cm | 75 - 81 |
81 - 89 |
89 - 97 |
94 - 103 |

★★★★★
"Awesome short, got them for the sustainable mission, keep using them for the great fit and comfort."
- Jake W.

★★★★★
"Wearing the shorts every day as a dive instructor. The fact that they are made from ocean plastic is always fun to tell clients."
- Klaas A.