maritime signal flag style polka dot circles. pattern seamless background. hand drawn geometric abstract dotty

1950s abstract all backdrop background beach blue circles classic color colors cruise decor design dot dots dotty drawn fashion flag flat geometric graphic hand home illustration isolated marine maritime modern monochrome nautical navy over pattern polka preppy print repeat retro seamless shapes signal signaling striped stripes style stylish stylized summer symbol textile textiles textured trendy vector wallpaper wear white wrapping yacht