I was putting it on over swim diapers. The shoulder straps are somewhat adjustable, and I was able to wear it for two seasons. #KongesSløjd #Swimwear Floral swimsuit set with frills Made with recycled materials. - Brand: konges - Size: 4Y - Material: 90% recycled polyester, 20% elastane - Design: Swimsuit set with frills - Color: Floral Olive Thank you for looking.