Yes, we can print on the adhesive side of a label. When it comes to stickers & labels, 4OVER4.COM offers one of the most extensive lineup of "next level custom" to be found anywhere on the market. Besides printing on the adhesive side, we can also produce custom label projects such as: Booklet Labels. Embossing. Covert Security Varnish. Color Shifting Ink. Foil Stamping. Holographic Foil Stamping. Back Liner Printing. Piggy-Back Labels. Double-Sided Labels. Removable Liner Strip. Resealable Labels. Rotary Stamping. Serialized QR Codes. Scratch Off. Scented! Variable Data, QR Code & Barcodes. This is treated as a custom project and you would need to contact our Support Team to assist in pricing and placing this order. Contact Support at Support@4over4.com