These are Gulf livery Stickers from the 2020 McLaren F1 team. As seen in the McLaren F1 garage at the 2020 Italian Grand Prix.

Set of 3 stickers:

2 medium stickers and 1 large sticker.

Medium: 88mm x 94mm

Large: 143mm x 157mm

The sticker is a peel off from the blue backing paper.