Made by StickerJet ✨ Available Sizes ✨ • 2x3" • 3x4" • 4x6" • 5x7" ✨ Number of Stickers and Specification ✨ • 20 Stickers – Sheet - Premium Vinyl- Waterproof, Weatherproof, UV- Resistant & Scratch-Resistant • 500 Stickers – Sheet- Premium Vinyl- Waterproof, Weatherproof, UV- Resistant & Scratch-Resistant • 500 Stickers – Roll- Paper- Durable, Self Adhesive • 500 Individually Cut- Premium Vinyl- Waterproof, Weatherproof, UV- Resistant & Scratch-Resistant ✨ Product Features: ✨ • Highly Visible – Bold red design with large white lettering for maximum impact • Strong adhesive – Sticks firmly to cardboard, plastic, paper, and bubble mailers • Easy peel-and-stick application • 3-year craftsmanship warranty included • Made in the USA – Premium quality from a small business you can trust Protect your packages in style with these Do Not Stack Label Stickers – perfect for shipping, moving, and packaging needs. Each high-quality labels that are waterproof, UV-resistant, weatherproof, and scratch-resistant, ensuring your message stays bold and visible from start to finish. These labels are printed on durable adhesive material that sticks securely to cardboard, plastic, shrink wrap, and more. Easy to read, making them ideal for fragile packages, warehouse handling, or eCommerce packaging. Ideal for small businesses, shipping operations, or anyone needing reliable warning stickers for moving boxes, fragile packages, or warehouse storage.