Shaping the guest list for a first birthday calls for invites that are charming, inexpensive, and easy to mail. The following selection highlights invitations that balance delightful designs with practical features like double-sided prints, envelopes, and sturdy stock. Each option suits both boys and girls, and many come with matching envelopes. Explore a quick product snapshot below, then dive into detailed sections to help you choose the perfect invite for your celebration.
| Product | Brand | Includes | Notes |
|---|---|---|---|
| BNJDesigns Happy Birthday Little One | BNJDesigns | Blank inside, extra thick envelope | Premium cardstock |
| Sesame Street Babys 1st Birthday Party Invitations | Sesame Street | 10 cards & 10 envelopes | Elmo theme |
| Opomzk Outer Space 1st Birthday Invitations | Opomzk | 20 cards + 20 envelopes | Double-sided; 4×5 inches |
| Onederful 1st Birthday Party Invitations | HEZNZXQ | 20 invitations + 20 envelopes | Double-sided; blush pink theme |
| Chuxvon 1st Birthday Party Invitations | Chuxvon | 20 cards + 20 envelopes | Balloon glitter design; 6×4 inches |
BNJDesigns Happy Birthday Little One Card

The BNJDesigns card is printed on premium, smooth, heavy cardstock and designed for personalization. The inside is blank for your own message, offering flexibility whether you’re sending a heartfelt note or short party details. An extra thick envelope is included, helping ensure safe mailing and a polished presentation for your little one’s milestone.
Sesame Street 1st Birthday Party Invitations

These Sesame Street invitations feature Elmo and include 10 cards and 10 envelopes, tailored for a Baby’s 1st Birthday theme. The set is convenient for smaller guest lists or immediate mailing needs, with a bright, kid-friendly design that’s easy to personalize with party details.
Opomzk Outer Space 1st Birthday Invitations

Opomzk offers a space-themed, double-sided set that includes 20 cards and 20 envelopes. The design features attractive space elements and engaging language, aimed at capturing guests’ attention. Cards measure approximately 4 by 5 inches, balancing ample space for details with compact mailing efficiency.
Onederful 1st Birthday Invitations – Blush Pink Floral

Onederful’s invitation set features a blush pink floral motif with double-sided printing on sturdy matte cardstock. The full kit includes 20 invitations and 20 envelopes, with each card sized at 4″ x 6″ to fit standard envelopes. The design is unique and well-suited to a gentle, elegant first birthday theme.
Chuxvon Balloon Glitter Invitations

Chuxvon’s invitations feature balloon glitter designs with a 6×4 inch size. The package includes 20 invitations and 20 envelopes, making it an all-in-one option for larger guest lists. The double-sided layout provides space for you to personalize details while enjoying a festive look.
Ukebobo Little Sweetheart Invitations

Ukebobo’s Little Sweetheart invites come in a pack of 20 with matching envelopes, each card sized at 4 x 6 inches. The design showcases a double-sided printing process, producing a visually appealing and party-ready invitation suitable for both boys and girls.
XZMBQ 1st Birthday Invitations

XZMBQ offers a bulk value pack with 20 cards and 20 envelopes in a standard 4″x6″ size. The invitations are designed for both boys and girls and come with matching envelopes for simple mailing and presentation. The set emphasizes cost-effective quantity without sacrificing design quality.
Nuckxy Colorful Spot Invitations

Nuckxy’s Colorful Spot invitations come in a 4×6 inch size with 20 invites and 20 envelopes. The cards are printed on high-quality coated paper with vivid colors and precise details, providing a smooth writing experience for personal messages and party details alike.
Buying Guide
- Guest list size: For large gatherings, bulk sets (20 cards or more) reduce per-invite cost and simplify ordering.
- Card front aesthetics: Consider themes (space, balloons, floral, kid-friendly characters) that match the party’s vibe and the child’s interests.
- Paper quality: Heavier cardstock tends to feel more premium and mail-friendly; check for double-sided printing to maximize space for details.
- Envelopes and size: Most sets use 4×6 or 6×4 inch formats. Ensure envelopes fit the cards without cramming, and look for pre-printed or blank options if you want handwritten details.
- Personalization options: Blank interiors allow handwritten messages, while pre-printed details save time but limit customization.
- Delivery timing: If mailing invitations, choose designs with standard mail compatibility and reliable production timelines to meet your party date.
- Accessibility and inclusivity: Choose inclusive language and imagery that suits a diverse guest list and sensory-friendly considerations for young children.
- Budget and value: Compare per-card costs across sets, factoring in envelopes and any shipping or handling fees when choosing the best option for your budget.
- Reuse potential: Some designs work for other milestones or occasions—consider longevity if you plan to reuse ideas in the future.