Love this product! It saved my sanity with my daughter. I bought a blanket for her when she was almost 3 months old and it was a “”miracle.”” She no longer woke herself up with flailing arms and finallay slept for more than 2 1/2 hours at a time. It also along with the other suggestions in the Happiest Baby on the Block book calmed her when she would go on a screaming jag. I am purchasing a blanket for my cousin who is having a baby in September.”