You can find the products included in the promotion in the “Promotions” tab of the online store, under the “Black Friday 2025 Offer” section. To take advantage of the offer, enter the discount code in the “Your discount code” field. Once entered, you’ll unlock access to the promotional products. You can choose one of two sets for 1 EUR / 1 USD / 1 GBP: Slip-in Triplex 8×10 in (20×25 cm) + Slip-in Mat 8×10 in (20×25 cm), or Slip-in DUO 8×10 in (20×25 cm) + Slip-in Mat 8×10 in (20×25 cm). The promotion on slip-in sets is valid from November 18 to December 1, 2025, or while supplies last. Customers signed up for the campaign who do not manage to use the offer by December 1, 2025, or after stocks run out, will have another opportunity to redeem it in February 2026. The discount code can be used only once. This offer cannot be combined with other promotions for the same product and does not apply to items purchased through the standard ordering process.