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Monthly Letter Subscription for Girls 9–16
Big Sister Letters is a monthly snail-mail subscription designed to deliver encouraging letters, confidence-building support, and meaningful connection for girls ages 9–16.
Pre-Teen Membership — Ages 9–12
For the in-between years — when everything is starting to feel bigger. Letters about friendship, fairness, and finding her voice. Age-appropriate writing on bodies, big feelings, and belonging. A small keepsake each month. Companion email for the grown-up supporting her.
Teen Membership — Ages 13–16
For the years she needs an older sister most — even if she won't say so. Honest letters about identity, boundaries, confidence, and what matters to her. Thoughtful guidance around pressure, heartbreak, body autonomy, and voice. A small keepsake each month. Companion email for the grown-up supporting her.
What is included
- One physical letter mailed monthly
- A small keepsake or topic-related gift inside each envelope
- A companion preview email for the grown-up before the letter arrives
- Free switching between Pre-Teen and Teen at any time
- Cancel, pause, or renew any time through your guardian portal