EASY TO USE ???? shoe inserts for kids have self-adhesive backs; You can stick the grips on any shoe backs conveniently, but fur. GOOD FOR MOST TYPES OF SHOES ???? These funny heel inserts for loose shoes are good for Wellies, trainers, sneakers, boots, loafers, oxfords, flats, or even athletic. A-must-have accessory for new kids shoes. SUPER STICKY DESIGN ???? Ballotte heel grips feature with superb stickiness favorable to keep them in place firmly when dancing, running, jumping, climbing, kicking or any other kids activity. NO SLIPPING OR SLIDING IN LOOSE SHOES ???? heel cushions are designed to fit the contour of the heel section of the kids shoe. Add extra volume and reduces about 1/5 of a size. This makes shoes a bit tighter. Foam material stops the feet from slipping in and out of shoes. SMALL, JUST FOR KIDS SHOES ???? These heel grips for kids are 20% smaller than all other heel grips on the market. A special form of heel pads is designed to stick and cushion the best to girls shoes size 9-5Y (age 3-10).