"1.Practical design - The connection between our pillows is designed with a Velcro, you can adjust the spacing according to baby's head circumference and adjust as baby grows.2.Safety - Our baby headrest support goes over your babys shoulders and gently cradles the jaw to keep babys head from slumping, protect your baby's fragile head and neck.3.Age - Baby soft head support Fits about 1-4 years old baby and toddlers (Height 22cm /8.66"" , open width around 26cm/10.24"")4.Material - This baby pillows for sleeping made of soft fabric and 100% organic pp cotton. Comfortable and gentle for baby's skin.5.MULTI-FUNCTION - Multi-use headrest providing spinal/neck alignment and comfort. Stroller, swing, carseat, changing table can be used."