(4-Pack) 20 oz Skinny Straight Sublimation Tumblers – Stainless Steel DIY Blanks with Lids & Straws

Unleash your crafting potential with this 4-Pack of 20 oz Skinny Straight Sublimation Tumblers. Engineered with a completely straight, non-tapered body and a high-grade polymer coating, these blank cups make full-wrap heat transfers, mug press applications, and sublimation oven printing seamless and vivid.

Made from durable food-grade 304 stainless steel with double-wall vacuum insulation, these tumblers keep drinks icy cold or piping hot for hours. Whether you are creating personalized gifts, designing custom merch, or building inventory for your small business, these blanks deliver professional, lasting results.

Key Features

• 100% Straight Non-Tapered Silhouette: Zero taper makes full-bleed image wrapping easy without seam distortion or ghosting.
• Premium Sublimation Coating: Specially formulated polymer layer ensures vibrant, high-definition color transfers that resist peeling and fading.
• Double-Wall Vacuum Insulation: Keeps beverages cold for up to 12 hours and hot for up to 8 hours.
• Food-Grade 304 Stainless Steel: Durable, rust-resistant, and BPA-free construction safe for daily cold brews, teas, and smoothies.
• Complete DIY Set: Every tumbler includes a clear splash-proof lid and a reusable straw.

Product Specs & Crafting Parameters

• Capacity: 20 oz (approx. 600 ml)
• Body Type: Straight Skinny (Non-Tapered)
• Material: 18/8 304 Stainless Steel
• Pressing Instructions (Tumbler Press): 334°F – 356°F (168°C – 180°C) for 50–60 seconds. Rotate 180° and press for another 30–50 seconds.
• Oven Instructions (Convection Oven): Wrap tight with shrink sleeve. Bake at 356°F (180°C) for 5–6 minutes (rotate halfway).