This Carabiner Picnic Cup is made of stainless steel. Clip it to your pack when you’re done sipping or you’re off and climbing Fits in most vehicle cup holders Specifications. Very convenient when you travel or go out. Measuring 7 oz, this custom 7 oz stainless steel mug w/ carabiner handle. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization: Logo printing available with multiple packaging and color options. Product Highlights: BPA-free, leak-proof, travel-friendly.