Unicorn Zippers
GUIDE

Zinc alloy vs plastic zipper sliders

The slider is the part your customer touches every day. Here is how to choose between zinc alloy and plastic.

Zinc alloy sliderPlastic slider
MaterialDie-cast zinc alloy (metal)Moulded plastic
StrengthVery strong, holds shape under heavy useGood for light and medium use
LookPremium metal finish, can carry a logoBright colours, matches fabric
WeightHeavier, feels solidVery light
Sizes we stockNo. 5, No. 8, No. 10No. 5
Best forJackets, backpacks, luggage, premium bagsSchool bags, kidswear, pouches, sportswear

Choose zinc alloy when…

Choose plastic when…

Always match the size

A slider only fits the same zipper number — a No. 5 slider runs on No. 5 chain only. See all 33+ puller designs or check the zipper size guide.

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