# 20/400 Short-Pipette Brushed Matte Gold Dropper (35–42 mm) for Heavy-Base 30ml Facial Oil Bottles & 3×100ml Tube Window Gift Box Dieline Engineering

- **Canonical URL**: https://vellapack.com/trends/20-400-heavy-base-short-pipette-matte-gold-dropper-and-3-tube-window-gift-box-dieline-spec
- **Manufacturer / Engineering Hub**: Vella (Guangzhou Yanchuang Packaging Co., Ltd. · 广州妍创包装用品有限公司 · USCC `91440111MA59DBE04B`)
- **Direct Engineering Contact**: Alex Gao (`alex@vellapack.com`)
- **Updated**: 2026-11-11

## 1. 20/400 Short-Pipette & Satin Matte Gold Dropper Formula for Heavy-Base 30 ml Oil Bottles
- **Geometry Formula**: `L_exposed = H_bottle - t_punt - H_collar_datum - 3.0 mm`. For a 53 mm tall heavy-base 30 ml frosted glass bottle (11–12 mm glass punt), exposed borosilicate pipette length is **38.0 mm ± 0.5 mm** (stepped fit-kit available in 36 / 38 / 40 mm).
- **Finish & Elastomer**: Genuinely satin/brushed anodized matte gold 20/400 aluminum collar (12–18 GU low sheen) + matte black high-ACN NBR or platinum-cured silicone bulb (<2.5% oil swell at 48°C / 30 days).
- **MOQ & 2026 FOB Pricing**: 500 pcs pilot @ **USD 0.58/pc**; 1,000 pcs @ **USD 0.42/pc**; 3,000 pcs @ **USD 0.31/pc**.

## 2. 3 × 100 mL Cosmetic Tube Window Gift Box & Matte-Black Fitted Insert Dieline
- **100 mL Tube**: Ø40 mm × 145 mm 5-layer EVOH matte sleeve (163 mm capped with black flip-top), 125.6 × 115 mm printable wrap, 1C gold front/back (**USD 0.32/pc** at 3,400 pcs/SKU; **USD 0.29/pc** at 5,000 pcs/SKU).
- **3-Tube Window Gift Box**: **235 mm (W) × 178 mm (H) × 48 mm (D)** in 350 gsm FSC C1S ivory board + soft-touch matte lamination, 82 mm left solid branding panel + 135 × 138 mm 0.25 mm anti-scratch RPET window (**USD 0.32/pc** at 3,400 pcs) + 350 gsm matte-black 3-cavity fitted insert (**USD 0.20/pc**). Complete 3-tube set (3 tubes + box + insert) = **USD 1.48/set FOB**.

## 3. Cylindrical Deodorant Stick Stand-Up Zipper Pouch Sizing Formula
- For a single Ø41.5 mm × H 162 mm deodorant stick: **115 mm (W) × 225 mm (H) + 35 mm bottom gusset** in 0.12 mm Matte OPP / Cotton Paper / LLDPE with Pantone 388 C soft-touch matte + Pantone 251 C spot-gloss UV (**USD 0.140/pc** at 20,000 pcs FOB Shenzhen).