Igor Jellies Star jelly sandal with adjustable strap, removeable soft innersole. Essential footwear for poolside and pebble beaches and to protect young feet from sharp shells and hot sand...Made in Spain.Please note that Jelly sandals are not suitable for everyday wear - they should be worn for holidays as protection against sharp shells, stones and hot sand and they are great for wearing while splashing about in the water, we suggest that they are rinsed in tap water after wear in a chlorinated pool or salt water. insole measurements - where foot sits 19/uk3 10.5cm, 20/uk4 11cm, 21/uk5 11.5cm, 22/uk5.5 12cm, 23/uk6 13cm, 24/uk7 13.5cm, 25/uk8 14cm 26/uk8.5 15cm, 27/uk9 15.5cm, 28/uk10 16cm