4x4 Poly Bags - The Perfect Little Square for Your Smallest Items
When you're packaging jewelry, tiny craft supplies, or small treats, these 4x4 poly bags are your reliable workhorse. That perfect square shape means round items (like buttons or small cookies) sit nicely without weird corners of wasted space. At 4 mil thickness, they're sturdier than standard bags—important when you're handling delicate items or shipping through the mail. Perfect for Etsy sellers, craft fair vendors, and small businesses who need professional packaging without professional prices.
Perfect For
- Jewelry pieces (small pendants, earrings, rings with backing cards)
- Craft supplies (beads, buttons, sequins, small findings)
- Small treats (2-3 wrapped candies, mini cookies, chocolate pieces)
- Hardware items (screws, washers, small fasteners in sets)
- Sample products (spice samples, tea portions, soap samples)
- Small toys, game pieces, or collectibles
- Seed packets and small gardening supplies
- Bath products (lip balms, sample lotions, small soaps)
Product Details
- Size: 4" x 4" (fits items up to 3.5" comfortably)
- Material: 4 mil clear polyethylene (LDPE)
- Thickness: Heavy duty - 2.5x thicker than standard bags
- Clarity: Clear enough to showcase your products
- Food Safe: FDA compliant for direct food contact
- Quantity: 1,000 bags per case
- Bottom: Heat-sealed flat bottom
- Closure: Open top - seal with twist ties, ribbon, stickers, or heat sealer
Why This Size Works for Small Businesses
This 4x4 square is one of the most popular sizes for craft fair vendors and Etsy sellers because it's incredibly versatile. Small enough to keep costs down, large enough to handle a surprising variety of items. Jewelry makers love these for packaging pieces with small backing cards. Craft suppliers use them for organizing beads and findings by type. Home-based food businesses package sample portions or small treats that look gift-ready without fancy packaging.
The 4 Mil Advantage
Here's why thickness matters: when you're packaging small, precious items—handmade jewelry, delicate crafts, or specialty treats—you don't want bags that tear when you're sealing them or that customers can accidentally poke through. At 4 mil, these bags are noticeably sturdier than standard 1.5 or 2 mil options. They protect your items during shipping, hold up at busy craft fairs, and feel substantial when customers handle them. That quality perception matters when you're building a small business reputation.
Easy Closure Options
The open top design lets you choose whatever closure method fits your brand and workflow. Tie with colorful ribbon for a gift-ready look at craft fairs—customers remember that personal touch. Use twist ties when you're packaging in volume and speed matters. Add small branded sticker seals to build your business identity while securing the bag. Or heat seal for a professional, tamper-evident finish if you're shipping online orders. The 4 mil thickness handles all these methods without tearing.
Sizing Tips
Items up to about 3.5 inches in any direction fit comfortably with room to close the top. For round items like cookies or soap rounds, anything under 3 inches in diameter works perfectly. For jewelry, you can fit a piece on a 3-inch display card with space to spare. Remember to leave about 0.5-1 inch at the top for your closure method. If you're packaging something exactly 4 inches, consider sizing up to the next bag for easier handling.
Where This Size Shines
Craft fairs and farmers markets love these for small add-on sales—jewelry, soap samples, treat bags, craft supplies. Etsy shops use them for shipping small items without wasted space or excess packaging weight. Home studios rely on them for organizing supplies by type, keeping everything visible and protected. Bake sales and fundraisers package individual treats that look professional. At 1,000 bags per case, you've got enough supply for weeks or months depending on your volume.
Questions about packaging your small treasures? We're here to help you find the perfect solution for your business!