Suggested size: 11cm: 0-6 Months 12cm: 6-12 Months 13cm: 12-18 Months SAFETY MATERIAL! --100% Polyester fleece Lining/ Imported; Fashionable & durable,Not quite socks, not quite shoes, these soft bootie, Easy for parents to put on but difficult for baby to kick off! SLIPPER-LIKE BOOTIES FIT!-- Our anti-slip rap around house booties are cozy & comfortable on baby's skin; Designed with a hook lop strap also means theyll stay out, even when the baby kicks and wriggles; For more snug fit , elastic around ankle support to keep it easy to put on, still keep feet coverage & warm all day night. NO MORE SOCKS!-- EASY ON AND OFF, the faux suede leather sole gives these a strong grip that guards against trips or falls. Optimal for everyday use, ideal for wearing, gripping, first walk & nursery, prevent slipping and sliding, helps more safer & amp; easier. NEWBORN GIFT WORTHY!-- THE BEST BABY SHOWER GIFT for first walkers winter wardrobe, baby pajamas, first birthday, party, family ceremony; You would find it match every baby clothes unisex, and so practical for cudding & scooting around the house. 100% GUARANTEE--If for any reason you are not satisfied, please contact us. Our strong after-sales service team will reply you in 12 hours and we will take care of you.