‎13.58 x 5.87 x 3.82 inches

【Protect Baby’s Head】Baby baby safety helmet offers most ideal protection for toddlers during crawling/playing/standing. The head cushion can effectively protect the baby during the collision and the friction caused by the bump and fall. Also suit for daily indoor/outdoor use. 【Lightweight & Comfortable】Weighs just 3 oz with thickness an inch, baby helmet protective caps are lightweight, sweat-absorbent, breathable and soft to protect the little babies. Ultra lightweight is no pressure on growing head or neck muscle. 【Cotton and High Density Sponge Material】The outer layer is made of 100% cotton, the fill-in layer is a high density and elastic sponge free from smell. The head guard helmet provide a shock absorption, impact resistance and cusshioning effect, prevent or reduce injuries. Top ventilation and breathable mesh air hole design is not stuffy.