When sourcing disposable male dog diapers (often called belly bands), the core technology is the SAP (Super Absorbent Polymer). High-quality diapers should feature a multi-layer construction including a non-woven top sheet, an acquisition distribution layer (ADL), and a leak-proof PE or breathable film backsheet. Ensure the SAP content is sufficient to convert liquid into gel instantly, preventing urine scald and skin irritation. For B2B buyers, requesting a 'dryness test' report is essential to verify the re-wet rate is kept to a minimum.