Sandy Welds Surfside Ponies - Pony and Girl Rider - Color burst skies with playful pony and seaside girl. - T-Shirts Adult and youth sizes are a blend of 50% cotton, 50% polyester. Toddler sizes are 100% cotton. Available in white, grey, light blue or pale pink. Custom printed image applied. Washing instructions: Do not use bleach, dry on low heat, turn inside out