Tea Collection Pink Short Sleeve Bunny Nightgown Size 12. A short sleeve night gown will help them stay cool all night for the sweetest dreams. The easy on and v-neck make it super comfy, too. Easy fit, V-neck, knee length, complaint with Safety Commission's Flammability requirements for Children Sleepwear, 100% Polyester, Machine Wash. This comfy and cozy nightgown is classy and is in good condition.