KeepSafe Strong Mailing Envelopes

£18.75£162.50 Inc Tax

KeepSafe Strong poly mailers are a great alternative to our own PostSafe brand of secure packaging

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Great value, light and strong – KeepSafe “Strong” envelopes are ideal for any mail order, online or eBay business.

All our prices are inclusive of VAT

Quick Facts:

  • All envelopes have secure peel & seal closure
  • White Opaque envelopes made from 100% polythene
  • Weatherproof, burst proof, tear and puncture resistant envelopes
  • Easy to write on surface
  • Accepts handwriting, stamps or franking
  • Saves on postage costs
  • Recyclable envelopes

Produced by Ampac the KeepSafe Strong Polythene envelopes are less expensive than paper envelopes and cardboard boxes, and the light weight reduces postage costs.

Additional information

Envelope Size

240mm x 320mm, 336mm x 430mm

Quantity per Pack

100, 500

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