Custom Kids' Swimwear & Family Swimsuit Manufacturer

As a specialist kids’ swimwear manufacturer, we create fun, safe, and durable swimwear for boys, girls, and tweens. We are experts in producing matching family swimsuits for your private label brand.

Home

>

Swimwear

>

Kids' Swimwear

Fun, Safety, and Comfort for Every Splash

Certified UPF 50+ Protection

UPF 50+ Sun Protection

Our fabrics are rated UPF 50+ to block harmful UV rays, with options for long sleeve swimsuits for maximum coverage.

Durable Lasting Construction

Durable, Kid-Proof Materials

We use chlorine and salt-resistant fabrics that stand up to active play and frequent washing without fading.

All-Day Comfort & Mobility

Comfortable & Secure Fit

Designed for active kids, with comfortable linings, secure waistbands, and chafe-free seams for all-day play.

Age-Appropriate Designs

Age-Appropriate Designs

We create stylish and age-appropriate swimsuits for every stage, from toddlers to tweens.

Our Best-Selling & Market-Proven Styles

Start with our most requested designs, fully customizable for your collection.

In-Depth Customization: Create Your Perfect Custom Kids' Swimwear

Your brand is unique, and your products should be too. Explore the possibilities below.

Fabric & Materials

Select from our extensive library of premium performance fabrics, or work with us to develop a custom material.
Fabric & Materials1
Fabric & Materials2
Fabric & Materials3
Fabric & Materials4

Fit & Construction

Define the core structure of your sports garment, from the silhouette and fit to the seams and construction techniques.
Fit & Construction1
Fit & Construction2
Fit & Construction3
Fit & Construction4

Features & Functionality

Incorporate functional elements that add value and meet your customers’ specific needs.
Features & Functionality1
Features & Functionality2
Features & Functionality4
Features & Functionality3

Color & Finishing

Choose from a limitless color palette with Pantone® matching, and explore various finishes and treatments.
Color & Finishing1
Color & Finishing2
Color & Finishing3
Color & Finishing4

Branding & Logos

Apply your brand identity with a range of high-quality techniques for a professional finish.
Branding & Logos1
Branding & Logos2
Branding & Logos3
Branding & Logos4

Start Your Custom Kids' Swimwear in 4 Simple Steps

Our streamlined process makes bringing your custom activewear line to life straightforward and efficient.
Inquiry & Consultation

Inquiry & Consultation

Design & Sampling

Design & Sampling

Bulk Production & QC

Bulk Production & QC

Shipping & Delivery

Shipping & Delivery

From Fabric to Final Sportwear Garment

We combine meticulous planning with advanced technology and strict quality control at every stage of production.

Your Premier Manufacturer for Wholesale & Custom Kids' Swimwear

As a leading kids’ swimwear manufacturer, Sansansun specializes in high-quality apparel for boys and girls of all ages. Our expertise covers a wide range of styles, from boys swim shorts and childrens bikinis to UPF 50+ long sleeve swimsuits. We are a top supplier for brands looking to create fun, durable, and age-appropriate swimsuits for toddlers, children, and tweens. We offer complete solutions, including full private label services to create your unique collection. As experts in matching family swimsuits, we can coordinate prints and styles across your entire brand. For flexible sourcing, we also provide childrens swimwear wholesale options. As your trusted partner, we are committed to safety, quality, and delivering products that families will love.
Your Premier Custom & Wholesale Yoga Pants Manufacturer

Your Advantage in the Conscious Activewear Market

Flexible MOQ & Sourcing

Flexible MOQ & Sourcing

From 30-piece wholesale orders for market testing to fully custom production runs, our flexible MOQ policy is designed to support your brand's growth.

Scale & Factory-Direct Pricing

Scale & Factory-Direct Pricing

Leverage our 600,000+ piece monthly capacity. Our scale and factory-direct model ensure you receive competitive pricing, maximizing your profit margins.

One-Stop Solution

One-Stop Solution

Go beyond manufacturing. Our solution includes precision strategic consulting and access to 800+ new annual styles for a faster, smarter launch.

Quality Guarantee

Quality Guarantee

Your products are backed by our rigorous multi-stage QC process, from incoming fabric inspection to a 100% final garment check.

Ready to Launch Your Next Best-Selling Collection?

Work with a partner who brings design, speed, and reliability together. We’ve helped 200+ growing brands launch faster, scale smarter, and win in their markets. You could be next.