• Which test is the best?

We offer single-use kits (3.85€ per test with FREE worldwide delivery) or multiple-use sets (about 20€ total for 100 uses of several different reagents).

More information is available in the “How to test drugs” guide.

  • How do I check the status of my order?

After placing an order, our automatic mail system generates and sends you an e-mail with all the details. If you didn’t receive the message, make sure to check your spam folder.

  • How long does the order take to proceed?

All orders placed before 10:00 GMT are shipped on the same day from Monday to Friday, excluding holidays.

  • What are the available shipping options?
  1. Personal pickup – available only in Warsaw, Poland. Contact us at ‭731 934 705‬ to prepare your order.
  2. Non-tracked Priority Air Mail ~ 3,50€ – not for multiple-use kits
  3. Tracked Priority Air Mail ~ 5,00€ – not for multiple-use kits
  4. DPD / DPD Pickup Points (Carbon Neutral Safety Compliant Courier) ~ 11€+ – available only in Europe
  • How long do I have to wait for delivery?

2-5 working days, up to 21 days on intercontinental non-tracked deliveries. 

  • Can I track the status of my delivery?

We will send you the tracking link right after we send your package.

  • What are the available payment options?

– cash – when collecting in person
– PayU (Visa, MasterCard, Google Pay)
– BitPay (Bitcoin, Ethereum)
– Standard bank transfer

  • Is the packaging discreet?

Yes, packages are sent in plain envelopes or boxes. We do not sign with our full brand name, but with “C.S. sp. z o.o.” instead. Ultra-stealth delivery is available – upon customer request in the checkout notes we will remove all drug-related fliers and stickers. More information available on the detailed Shipping & Delivery page. 

  • How may I contact you in case of any problems with the order?

You may write an e-mail to sklep@sin.org.pl or use the online form. 

  • What is your returns and refunds policy?

We accept returns for 30 days after purchase. We refund full product costs for any undelivered orders in Europe. Because of occasional problems with tracking we DO NOT offer any refunds or reships for non-EU orders.

  • How may I contact you with any questions regarding testing?

Ask at testy@sin.org.pl. Feel welcome to encrypt your message using a website like http://onetimesecret.com


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