Zaptex 4-Pack 170ml Portable Collapsible Silicone Cups Folding Cup for Camping Hiking BRAND NAME-Travel silicone cup. MATERIAL - Selection of high quality food grade silicone material, safe non-toxic odor,US FDA food-grade standards SIZE - 170ml/5.8 fluid ounce,folding size: 3.2x 0.8inch. Resistant to high temperature -40  ~ 230  (-40F to 445F) FUNCTION - Collapsible design, space saving. Lightweight, great for outdoor camping, hiking, office or sport events. Open the mug half-way, it can be compact travel bowl. Ideal for pet like small dogs, great Christmas gift PACKAGE - Pack of 4, Zaptex guarantees you quality items