Pokemon Deluxe Boys Party Hat

eBay - prelovedclothes19

Exact hat type (soft-brimmed novelty hat), Pikachu character design matches perfectly, Yellow color matches, 3D ears with black tips match, Embroidered facial features (eyes, red cheeks, open mouth) match, Overall form factor and material appearance are consistent

Pokémon Pikachu Cap

eBay - calmartgifts

Pikachu character, Yellow color, 3D ears

Pokemon Smiling Pikachu Difuzed Snapback Cap

Hatstoreworld.com

Pikachu character, Yellow color, 3D ears