Cozy Ocean-Themed Baby Sleeping Bag

[Format] Professional e-commerce product main image, square 1:1, cheerful cartoon nursery style in sky blue with ocean motifs. [Colors] Bright sky-blue #4aa8e8 background with cartoon waves, bubbles and whales; soft pink quilted product tones; a red starburst badge with yellow numerals; no frame border. [Layout] A white sun doodle at the top-left; the headline stack in the upper left; the sleeping bag hanging centre-right on a wooden hanger; a red price starburst at the lower-left; whales swimming along the bottom edge. [Subject] A pale-pink quilted baby sleeping bag with a diamond-stitch pattern, white inner collar and centre zip, hanging from a wooden hanger with a small red tag; cartoon blue whales and bubbles float around the edges. [Headline] Upper left in white with playful strokes: "Temperature control & antibacterial" over "Soft and warm", and beneath in lighter script "Baby Sleeping Bag". Lower-left red starburst: "Grab it with a coupon" in small white over "from $68" in large yellow numerals. [Mood] Cozy, safe and storybook-cute; ocean-blue whimsy around a soft pink nursery essential.