Authenticity Guarantee

100% Authentic Products Guaranteed - No Counterfeits, Ever

As a family-run haberdashery serving Singapore since 1975, our reputation depends on quality. We guarantee every YKK zipper, DMC embroidery floss, PRYM notion, and Gutermann thread we sell is 100% genuine, sourced through authorized distributors.

Why Authenticity Matters

The sewing and haberdashery industry faces significant counterfeit product problems. Here's why buying genuine products matters:

Counterfeit YKK Zippers:

  • Often defective and fail during use, ruining your projects
  • May contain materials harmful to human health (don't meet REACH, CPSIA safety standards)
  • Damage brand confidence and undermine genuine manufacturers

Fake DMC Embroidery Floss:

  • Inferior color fastness - colors bleed or fade over time
  • Inconsistent thread strength, breaking mid-stitch and ruining projects
  • Poor color matching - fake DMC #817 won't match genuine #817
  • Serious crafters and embroiderers refuse to risk projects with fake supplies

Our Commitment to You

We stake our 50-year reputation on authenticity. Every product we sell comes from authorized distributors, and we maintain direct relationships with official suppliers of YKK, DMC, PRYM, Gutermann, Coats, and other premium brands.

Our quality control process ensures every product is inspected before shipping to meet manufacturer standards.

How to Verify Authenticity

YKK Zippers: Genuine YKK products feature precise logo stamping, quality pulls, and smooth operation. Look for the distinctive YKK branding on the zipper pull.

DMC Embroidery Floss: Look for official DMC packaging with barcodes starting with '077540' (DMC's manufacturer code) and consistent color numbering.

PRYM Notions: Official PRYM packaging includes product codes, and products are made with quality materials and construction standards.

If you have any doubts about authenticity, contact us immediately and we'll help you verify your products.

Our Guarantee to You

If any product you receive is found to be counterfeit (it won't be), we'll provide a full refund plus replacement with verified genuine product.

Contact us immediately if you have any authenticity concerns at your email or phone number.

Why Trust Us?

  • Established in 1975 - serving Singapore's sewing community for over 50 years
  • Physical store location - Blk 32 New Market Road, Singapore (visit and verify in person)
  • Family-owned and operated - our reputation is everything to us
  • Authorized dealer relationships - direct partnerships with YKK, PRYM, Gutermann, and Coats
  • Quality-conscious customers - serving professionals, serious crafters, and quality-minded sewers

When you buy from Lye Nai Shiong, you're not just getting authentic products - you're getting over five decades of expertise, quality standards, and customer service.

Don't risk your projects with questionable supplies. Choose genuine quality. Choose Lye Nai Shiong.