DOCUMENT: BB-SPEC-2026-V1 • CLASSIFICATION: PUBLIC ADVERTISER SPEC
Placement Specifications & Creative Guidelines
All advertising creatives in NexBiz are rendered inside our native Android cold-launch modal container. Adhere strictly to the pixel dimensions, aspect ratios, safe zones, and file compression guidelines below to ensure immediate editorial approval.
FORMAT IDENTIFIER
4:5 PortraitFirst-Open Primary Modal (Recommended)
| Target Dimensions | 1080 × 1350 px |
|---|---|
| Aspect Ratio | 4:5 Portrait |
| Max File Size | ≤ 250 KB (Target < 150 KB) |
| Permitted Formats | WEBP, JPG, PNG (WebP preferred) |
| Safe Zone Padding | 64px from all borders |
| Frequency Rule | Strict 1 impression per unique device per calendar day (UTC+6) |
Design Best Practices
- Keep primary headline in top 40% of canvas.
- Reserve bottom 180px for high-contrast CTA button clearance.
- Use bold, high-contrast typography legible on low-tier 720p Android displays.
- Avoid small legal disclaimers under 24px equivalent.
Native Android CanvasReserve this slot
FORMAT IDENTIFIER
1:1 SquareCompact Square Modal
| Target Dimensions | 1080 × 1080 px |
|---|---|
| Aspect Ratio | 1:1 Square |
| Max File Size | ≤ 200 KB (Target < 150 KB) |
| Permitted Formats | WEBP, JPG, PNG (WebP preferred) |
| Safe Zone Padding | 48px from all borders |
| Frequency Rule | Strict 1 impression per unique device per calendar day |
Design Best Practices
- Center focal visual with minimal surrounding negative space.
- Optimal for prominent price tags, discount stickers, or supplier contact banners.
- Direct, action-oriented button text (e.g., 'Order Stock via WhatsApp', 'Call Supplier').
Native Android CanvasReserve this slot
Editorial Policy & Content Acceptance Standards
NexBiz is a business-critical software tool used continuously throughout the day by merchants to record cash flow and inventory. In order to safeguard merchant trust, BengalBytes maintains strict content standards.
Permitted & Prioritized Categories
- • Retail POS hardware (thermal printers, barcode scanners, cash drawers)
- • Wholesale FMCG supply, packaged food, edible oil & staples distribution
- • Pharmacy wholesale suppliers, diagnostic supplies & OTC medications
- • Commercial vehicle & pickup truck leasing for goods transport
- • Business trade credit facilities from registered Schedule Banks
- • Construction supplies (cement, steel rods, paints, electrical wire)
Strictly Prohibited Categories (Immediate Rejection)
- • Online gambling, casinos, betting apps, and unregulated lottery schemes
- • High-interest predatory unverified personal loan apps (non-bank MFI)
- • Multi-Level Marketing (MLM), pyramid schemes, or guaranteed get-rich-quick scams
- • Cryptocurrency speculative exchanges and Forex signal groups
- • Tobacco, vaping devices, or unauthorized pharmaceutical stimulants
- • Deceptive or counterfeit branded goods infringing registered trademarks
Auditor Verification SLA: Under 2 Hours
Creatives uploaded with valid bKash or Nagad transaction IDs between 09:00 and 22:00 (UTC+6) are reviewed and approved within 120 minutes.