The small foldable volume and light weight make suitable and outdoors. The folding cup is made of silica gel, approved to safe drinking, non-toxic and non-odor. Folding art, full of three-dimensional effect This foldable water cup has a soft texture and strong compression resistance, is not easy to be damaged by frequent squeezing, and is durable. It is very suitable for travel, gym, bicycle, running, camping, fishing, hiking, mountain climbing, yoga, beach, outdoor sports. The exquisite packaging makes this collapsible cup a great gift for coffee lovers in your life. Share the collapsible cup with family, friends, classmates, colleagues and travel companions. What You Will : the package comes with 8 pieces of unisex collapsible water bottles in 4 colors, including blue, purple, gray, green, 2 pieces for each color, enough to meet your needs of daily use and replacement, you can also share with your friends and family members Colour:blue+purple+gray+green Material:Silicone+Metal Size: 21 x 7cm Package Contents: 2 x blue water bottles 2 x purple water bottles 2 x gray water bottles 2 x green water bottles Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.