Sadie Bow is a 12mm bow and the anchor of this page. The gold sold 230 pairs in the last twelve months, which puts it inside the shop's top fifteen products, and the silver 92. Beyond those two it comes in white, green, purple, orange and maroon — colour rather than metal, which is why five of the seven also sit on the game day page. Every colourway is the same $32.

If 12mm is too much, the page runs down to 5mm. Collins Bow is an 8mm enamel bow and the second best seller here at 114 pairs. Millie Bow is 6.5mm and Ruby Bow 5mm, both gold-toned, and both the size you put in a second hole or on a small child. Every style states its own motif size, from 5mm to 12mm, which is worth having when you are buying for someone else.

Also worth seeing — 34 game day styles for the team-colour version of the same bow, or the full screw back flat back stud collection. Bows are one shape among many; the full hypoallergenic range covers every motif on the same screw back post.

That is what the screw back is for. The post is 316L surgical-grade stainless steel at 20G (0.8mm) and 7mm long, and the back threads on rather than pushing on, so a wide bow cannot be knocked off over a jumper.

5mm to 12mm, and every style states its own. Sadie Bow is 12mm across all seven colours, Collins Bow 8mm, Millie Bow 6.5mm and Ruby Bow 5mm.

All of them are sold as children's styles and all of them are made to ASTM F2923-20, the US standard for children's jewelry. Ruby and Millie are the usual choice for a young child; Sadie at 12mm reads older.

Yes. All of them are rated waterproof for shower, pool, ocean and sweat, and all of them are 316L surgical-grade stainless steel, so a summer of swimming is fine.