This is a resin-cast aircraft kit.
This kit includes decals and 2 camouflage paint mask stickers.
From the manufacturer:
Material: Acrylic resin
This kit is a do-it-yourself kit of 1/144 AJ37 VIGGEN. Parts for one aircraft component are contained in the kit. Parts have very detailed, thin pieces. Please take care not to damage them when you assemble it. This product is a garage kit. You will need various tools for assembly.