Zaley Designs Trim to Size Geometric Dog Collar

Chewy.com

Red color, White pattern on red background, Dog collar category, Subtle pattern is plausible given frame blur

Red & White Polka Dot Collar, Red Dog Collar, Polka Dot Collar, Dot Dog Collar, Embroidered Collar, Custom Collar, Personalized Dog Collar

Etsy - GadesGifts

Red and white color scheme, Small white polka dot pattern is consistent with the vague pattern in the source frame., Fabric collar material, Standard buckle collar type with black buckle (consistent with what's visible/implied).

Polka Dot Dog Collar

veryvintagepets

Red and white color scheme, Small white polka dot pattern is consistent with the vague pattern in the source frame., Fabric collar material